Is alien life possible?
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10 Ways to be Abducted by an Alien: Alien Implant
On The Science Channel's "Ten Ways to be Abducted by an Alien," a man recalls his alien abduction experience and explains how aliens implanted a chip in his brain.
10 Ways to be Abducted by an Alien: Alien Signal
Does intelligent life exist on other planets? The Science Channel's "10 Ways To Be Abducted by an Alien," explores the possibility of communication with aliens using satellite signals.
10 Ways to be Abducted by an Alien: Alien Sperm Sample
On The Science Channel's "10 Ways to be Abducted by an Alien," an abduction researcher discusses evidence that aliens are using humans to breed hybrids in a quest for world domination.
10 Ways to be Abducted by an Alien: Alien Telepathy
On The Science Channel's "10 Ways to be Abducted by an Alien," meet the creator of the abduction hat, which protects abductees from telepathic mind control.
10 Ways to be Abducted by an Alien: Underground Tunnels
On The Science Channel's "10 Ways to be Abducted by an Alien," meet a man who contends that UFOs are not from outer space, but are instead, underground Nazi products from the hollow Earth.
10 Ways to be Abducted by an Alien: Yogic Trance
Aetherius Society founder, George King recalls his transformation into a medium for the interplanetary parliament on The Science Channel's "10 Ways to be Abducted by an Alien."
10 Ways to Meet a Monster: Aliens
What do aliens look like? Were the aliens found at Roswell real? Find out more about aliens on The Science Channel's "10 Ways to Meet a Monster."
5 Jaw Dropping Images of Saturn
This video contains the 5 greatest images of the Cassini space probe's 4-year journey around Saturn. Take a look at the flipside of the planet's famous rings; see a moon rebound like a pinball, and witness a strange spinning hexagon 15,000 miles wide.
Alien Abductions: The Great Conundrum
Stories of alien abductions are found across the world. Yet according to mainstream science, there's no evidence to prove these outlandish claims. Tune in to learn more about the controversy surrounding stories of alien abductions.
Alien Encounters: A Space-Powered Alien Ship
An alien spacecraft might not rely solely on sunlight to power its trajectory. Find out what other energy technology aliens could use to travel through the universe.
Alien Encounters: Earth's Most Alien Places
Bizarre creatures called "extremophiles" are found in some of Earth's most toxic and intense environments. How can studying these life forms help us understand alien life?
Alien Encounters: Earth's Welcome Mat
A dangerous love triangle forms when the three participants begin heavily using crystal meth together. Tensions are high and it's only a matter of time before one of them meets their end.
Alien Encounters: Frank Drake and Nick Sagan Meet Again
Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.
Alien Encounters: Humanity's Evolutionary Outcome
Teresa Palaia, Associate Producer for "On the Case with Paula Zahn" discusses the investigation into the murder of Samantha "Shelley" Nance, a promising art student.
Alien Encounters: Nick Sagan & Frank Drake Reunite
Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.
Alien Encounters: Will Aliens Have Bodies?
Will ETs look like us? Will they resemble giant insects? Scientists debate how various environments could have created life forms beyond our wildest imagination.
Alien Planet: Defining Life
Scientists discuss the definition of life in this clip from Discovery Channel's Alien Planet.
Alien Planet: Defining Life
Scientists discuss the definition of life in this clip from Discovery Channel's Alien Planet.
Alien Planet: Finding Alien Life
In Discovery Channel's special, Alien Planet, scientists discuss ways that the discovery of alien life could change life on earth.
Alien Planet: Finding Alien Life
In Discovery Channel's special, Alien Planet, scientists discuss ways that the discovery of alien life could change life on earth.
Alien Planet: Intelligent Life on Other Planets
Scientists discuss the probability of finding intelligent life in Discovery Channel's Alien Planet.
Alien Planet: Intelligent Life on Other Planets
Scientists discuss the probability of finding intelligent life in Discovery Channel's Alien Planet.
Alien Planet: Life Across the Stars
Scientists discuss the probability that we are not alone in the universe in this clip from Discovery Channel's Alien Planet.
Alien Planet: Life Across the Stars
Scientists discuss the probability that we are not alone in the universe in this clip from Discovery Channel's Alien Planet.
Alien Planet: Searching for Alien Life
In Discovery Channel's Alien Planet, scientists discuss ways they are searching for life on other planets.
Alien Planet: Searching for Alien Life
In Discovery Channel's Alien Planet, scientists discuss ways they are searching for life on other planets.
Aliens
What are the odds there is extraterrestrial life in outer-space?
An Idiot Abroad: Episode 23
Karl learns about the art of haggling with street vendors in Egypt. After some practice, it's time for some solo shopping to see if the lessons pay off.
An Idiot Abroad: Episode 24
Karl is stunned when he walks into a KFC, which is entirely managed and staffed by deaf people. After his meal, he says the service was great and faster than usual, probably because there's no gossip going on behind the counter.
An Idiot Abroad: Episode 25
Karl goes inside an Egyptian pyramid for a meditation session based on Atlantean magic to honor aliens. But nobody told him he had to be inside of a tomb.
An Idiot Abroad: Episode 26
As Karl wanders the streets of Cairo, he is stopped by scores of merchants peddling anything from food to plastic sunglasses.
Best Evidence: Aliens Mutilating Cattle
An investigative journalist who has spent two decades studying animal mutilation concludes that the animal killings are caused by extraterrestrial beings. Listen to her theory on Discovery Channel's "Best Evidence."
Best Evidence: Cattle Mutilation Testing
Why is it that scavengers who normally tear up a carcass in a few minutes, won't go near mutilated cattle? Some believe it's due to illness or even extraterrestrial influence. Learn more on Discovery Channel's "Best Evidence."
Best Evidence: Cow Carcass
On Discovery Channel's "Best Evidence," visit a crime scene where police have found a mutilated cattle carcass drained of its blood and organs and, strangely, ignored by scavengers.
Best Evidence: Project Mogul
According to skeptics, the crash at Roswell was actually a radar tracking device called Project Mogul. Learn more on Discovery Channel's "Best Evidence."
Best Evidence: Roswell Alien Bodies
On Discovery Channel's "Best Evidence," learn about the rumors that alien bodies were also found among the debris at Roswell.
Best Evidence: Roswell Alien Film
In 1995, a film showing an alien autopsy from the Roswell incident emerged, but it turned out to be a hoax. In this clip from Discovery Channel's "Best Evidence", believers and skeptics discuss the relevance and reality of the incident.
Best Evidence: Roswell Cover Up
On Discovery Channel's "Best Evidence," hear from experts who believe that there is strong evidence to prove that the Roswell incident was a cover up by the military.
Best Evidence: Roswell Crash Experiment
Discovery Channel's "Best Evidence," conducts an experiment to see if the debris found in Roswell was, in fact, from a spy balloon from Project Mogul.
Best Evidence: Roswell Debris Evidence
On Discovery Channel's "Best Evidence," learn about an incident in Roswell, New Mexico where mysterious debris was found. The military declared the debris was from a weather balloon, while some experts and locals offer a different theory.
Best Evidence: Roswell Evidence Switch
In 1947, rancher Matt Brazel claimed to have found wreckage of a flying saucer. But as the evidence was collected by the government, it seems to have been switched with the pieces of a weather balloon. Learn more from Discovery Channel's "Best Evidence."
Best Evidence: Roswell Flying Saucer Story
On Discovery Channel's "Best Evidence," learn about the public hysteria and the boost in interest around flying saucers and UFOs after the Roswell incident in 1947.
Best Evidence: Roswell Hoax Evidence
On Discovery Channel's "Best Evidence," investigators argue the possibility that the debris found in Roswell was part of a hoax.
Best Evidence: Roswell Majestic 12 Document
On Discovery Channel's "Best Evidence," experts raise doubt as to the authenticity of President Truman's Majestic 12 document.
Best Evidence: Roswell Project Mogul
Years after the Roswell incident, a military investigation concluded that the debris found was from a spy balloon that was part of Project Mogul. Learn more on Discovery Channel's "Best Evidence."
Best Evidence: The Roswell Incident
Roswell, New Mexico is known for the alleged 1947 crashing of a flying saucer. The Roswell incident was then retracted by the officials who announced it. In this clip from "Best Evidence" on Discovery Channel a rancher describes what he saw that day.
Best Evidence: Vampires and Aliens
Could aliens or a cult of vampires be stealing blood from our cows? The possibilities are discussed in this clip from "Best Evidence" on Discovery Channel.
Conspiracy Test: Alien Abduction Concept
Some believe there is compelling evidence that people are being abducted by aliens, while others write it off merely as anecdotal evidence and not scientific. Hear from both sides on Discovery Channel's "Conspiracy Test."
Conspiracy Test: Alien Anecdotal Evidence
To UFO believers, scientists are ignoring years of collected evidence that aliens are conducting research on humans through abductions. But skeptics do not count anecdotal evidence. Learn more from "Conspiracy Test" on Discovery Channel.
Conspiracy Test: Alien Appearance
People who claim to have been abducted by aliens keep insisting that aliens are around us and describe several different versions of what they saw. Learn more about their appearances in this clip from "Conspiracy Test" on Discovery Channel.
Conspiracy Test: Alien Implants
Discovery Channel's "Conspiracy Test" goes to a lab at the University of Toronto where scientists are examining objects believed to be alien implants.
Conspiracy Test: Alien Physical Evidence
On Discovery Channel's "Conspiracy Test," meet a doctor who claims he has found convincing physical evidence of implants inserted in humans during alien abductions.
Conspiracy Test: Alien Research
Research is being conducted to prove that alien abductions actually do happen. Skeptics count on the cosmic distances to disprove the theory. Learn more in this clip from "Conspiracy Test" on Discovery Channel.
Conspiracy Test: Alien Sleep Disorders
How does science explain stories of alien abductions by otherwise rational people? On Discovery Channel's "Conspiracy Test," doctors claim this could be due to a sleep disorder called sleep paralysis.
Conspiracy Test: Aliens and False Memories
Consistent alien stories from around the world in different decades seem to suggest memories are distorted based on what a person expects to see not what they actually saw. Learn more on Discovery Channel's "Conspiracy Test."
Conspiracy Test: Occam's Razor
In the dispute over alien abductions, experts say it is best to apply the principle of Occam's razor, which says the most simple solution is most likely the answer. Experts share their reasoning on the topic on Discovery Channel's "Conspiracy Test."
Conspiracy Test: Recalling Abductions with Hypnosis
When a person has been abducted by aliens, some of the memories are suppressed. In these cases, hypnosis can be used to recall the missing pieces. Learn more about their experiences on Discovery Channel's "Conspiracy Test."
Dark Matters: Half Green - No Zombies
Tune in to learn more about Dark Matters in this clip from The Science Channel.
Discovery News: Top 5 Scientific Mysteries
Watch as James Williams uncovers five spooky scientific mysteries you may never have heard of in this clip from Discovery News.
Discovery Space: Hubble Trouble
A glitch in a computer onboard the Hubble Space Telescope is causing communication issues. Find out how NASA is fixing this long distance problem in the following "Discovery Space" video.
Discovery Space: Tumbleweed Rovers Could Explore Mars
New concepts for Mars-probing rovers would use Martian wind to move around the planet. James Williams gets a look at two of the designs.
Discovery's Giant New Telescope
Discovery Channel's new telescope has one of the largest mirrors in the world. See how this technological marvel was created in this video.
Do Billions of Planets Mean More Earths?
Christian Longo is a young married father of three who desperately wants a taste of the good life, and is willing to destroy everyone in his path- including his family- to get it.
Does our solar system have an extra planet?
With Pluto's recent demotion from the ranks of proper planets, the slippery definition of what is or is not a planet has revived several astronomical conspiracy theories. Learn about the most bizarre conspiracies surrounding Planet X in this episode.
Landing On Mars: Scooping Martian Soil
NASA's Phoenix Lander was sent to Mars with a mission -- to scoop soil. In the Martian soil, scientists hope to find ice and discover whether Mars is, has been or ever will be habitable.
NASA's Martian Troubles
NASA's Martian record of success has not been too stellar. Over half of the missions to learn more about the Red Planet ended in failure. Watch this video to see what happened, why it's important to keep trying and what the future may hold for Mars.
NASA's Unexplained Files: Blinking Dots
A space shuttle's camera captured several white blinking dots on film near planet Earth. What are these objects and why were they blinking?
NASA's Unexplained Files: Something Out There
James McDivitt, a NASA astronaut and engineer in the 1960's, reported he saw and filmed a strange object in space. Is there a logical explanation or was there really something out there?
NASA's Unexplained Files: The Condon Report
The U.S. Air Force created the Condon Report in 1968 to address supposed UFO sightings. The report stated that "further extensive study of UFO's probably cannot be justified" and is seen by some as an attempted cover up.
NY Ink: The Hangover
Megan and Jessica hit the town for a night of cocktails, bull-riding and who knows what else. So when Megan doesn't show for her appointment the next morning, an unexpected hero emerges to come to her rescue.
One Step Beyond: Sleep Paralysis and Aliens
On Discovery Channel's "One Step Beyond," learn about sleep paralysis, a condition where the body is stuck between and sleeping and waking state. Some people have hallucinations of being abducted by aliens.
Preparing for America's Lunar Return
Plans are currently being made for a settlement on the moon. Before that can happen, NASA needs more information. The Lunar Reconnaissance Orbiter (LRO) will orbit the moon for a year in an effort to learn more about the possibilities of lunar living.
Roswell UFO
There has been much controversy around the alleged 1947 UFO crash in Roswell, New Mexico. Learn more about Roswell in this video on HowStuffWorks.
Sci Fi Saved My Life: LA Aliens
Meet Alex Mistretta, the founder of the Mutual UFO Network (MUFON) on Discovery Channel's "Sci-Fi Changed My Life." MUFON is a Los Angeles based organization dedicated to tracking alien sightings.
Sci Fi Science: Using Antimatter
In order for his spaceship to travel through the galaxy, Michio will need an energy source that can hold up to the task. Enter antimatter, a force whose power is equivalent to the explosions of Hiroshima.
Sci-Fi Saved My Life: Anti-Alien Gear
Do real life government agents get the same UFO fighting gadgets as the agents from the blockbuster movie, "Men in Black?" Find out in this clip from the Science Channel's "Sci-Fi Saved My Life" series.
Science of the Impossible: Alien Abductions
Over 80,000 people in the United States claim they have been abducted by aliens. However, scientists declare there is no evidence to back these claims. Learn more about alien abductions on Discovery Channel's "Science of the Impossible."
Science of the Impossible: Alien Evolution
Would we know what an alien looked like if we saw one? Unless they go through our same evolutionary pattern, it is unlikely they look anything like humans. Learn more on Discovery Channel's "Science of the Impossible."
Science of the Impossible: Alien Mailbox
On Discovery Channel's "Science of the Impossible," take a visit to Rachel, Nevada where many of the locals have claimed to have seen UFOs. The residents are so convinced about what they've seen that they've set up an alien mailbox.
Science of the Impossible: Decoding Alien Binary Code
Radio astronomers believe aliens would use a binary code to communicate. The challenge for humans would be to unlock the pattern of these combinations. Learn more on Discovery Channel's "Science of the Impossible."
Science of the Impossible: Extraterrestrial Beings
Is life on Earth the only life there is? In this clip from "Science of the Impossible" on Discovery Channel, the possibility of extraterrestrial beings is discussed.
Science of the Impossible: Human Extelligence
Human extelligence is the ability to learn and retain information. No other being throughout the universe has been discovered that has these capacities. This "Science of the Impossible" clip on Discovery Channel describes our unique intelligence.
Science of the Impossible: Law of Evolution
The law of evolution says that different creatures would evolve in different conditions. On Discovery Channel's "Science of the Impossible," scientists speculate what aliens would look like in different settings.
Science of the Impossible: Life on Mars
Scientists have reasons to believe that there once was life on Mars, and there still may be some traces. This theory is discussed on Discovery Channel's "Science of the Impossible."
Science of the Impossible: Life on Other Planets
Just because a planet is suitable for life, it doesn't mean that life would automatically arise. In this clip from "Science of the Impossible" on Discovery Channel, scientists are still baffled by what triggers life.
Science of the Impossible: No Sign of Aliens
For years, scientists have tried to make contact with alien life forms using radio signals, but to no avail. While some scientists maintain hope, many are now skeptical. Watch the discussion on Discovery Channel's "Science of the Impossible."
Science of the Impossible: SETI Radio Monitoring
For over forty years, the Search for Extra-Terrestrial Intelligence (SETI) has been listening to radio signals in space to look for intelligent life in the universe. Learn more about SETI's efforts on Discovery Channel's "Science of the Impossible."
Science of the Impossible: Traces of Life in Space
On Discovery Channel's "Science of the Impossible," scientists discuss the possibility of life on other planets based on traces found in the cosmos.
Search for Alien Bacteria
Watch this NASA video to learn how scientists look for aliens and what they look for to determine if there's other life in the universe. NASA isn't necessarily looking for ET, but rather signs of organic life such as it exists on Earth.
SETI Explained
Watch this NOVA video podcast to learn more about the SETI project. Understand what SETI does and how they are looking for extra-terrestrial life. Can aliens communicate and can we understand them? Watch to find out how they rule out hoaxes.
Sins & Secrets: From Another Planet
When a doctor and his wife go missing, as investigators dig deeper into their disappearance, they discover a story that is stranger than fiction.
Sister Wives: Meet the Brown Family
They're not the polygamists you think you know. Meet the Brown family and peek into the real lives of a real polygamist family.
Solar Space Sailing
NASA has developed a solar sail that can propel a small spacecraft, in this case a satellite, using only solar energy. Watch this video to learn more.
Space: Top 5 UFO Video Hoax Tips
Was that a UFO sighting...or a hoax? It turns out that crafting a UFO video hoax is quite easy if you know the right tricks. James Williams gets five tips from an accomplished UFO hoax video creator.
Space: UFOs Over London Explained
New videos appear to show UFOs hovering over London. But our resident skeptic Ben Radford shares five reasons why he thinks it's probably a hoax. Martin Berman reports.
Stephen Hawking's Universe: Alien Grazers
On an Earth-like planet, a herd of alien herbivores grazes vertical cliff faces with the aid of specialized mouths and legs.
Stephen Hawking's Universe: Alien Grazers
On an Earth-like planet, a herd of alien herbivores grazes vertical cliff faces with the aid of specialized mouths and legs.
Stephen Hawking's Universe: Alien Hunters
Predators on a distant terrestrial planet must be fast and lethal just like their counterparts on Earth.
Stephen Hawking's Universe: Europa's Living Sea
With abundant liquid water, this moon of Jupiter may have seas with life forms not so different from those on Earth.
Stephen Hawking's Universe: Fear the Aliens
If advanced spacefaring aliens exploit resources like humans do, we'd better hope they don't find us anytime soon.
Stephen Hawking's Universe: Gas Giant Life
One possible form of extreme alien life may be creatures that inhabit the dense atmospheres of gas giants.
Stephen Hawking's Universe: Planets
A powerful telescope searches for undiscovered planets, but not in the way you might expect.
Stephen Hawking's Universe: Primordial Soup
Could life on other planets develop from a primordial soup?
Stephen Hawking's Universe: Survival
Alien life forms would need to adapt and evolve to survive, just like organisms on Earth.
Stephen Hawking's Universe: The WOW Signal
On August 16, 1977, a radio telescope in Ohio picked up the only signal that could have an alien source.
Stephen Hawking's Universe: UFO Skeptic
Professor Hawking explains why he takes a dim view of typical tales of UFOs and alien abduction.
Stephen Hawking's Universe: Water
All life forms need water, and that's true on Earth as well as other planets.
Tech: Magnetic Morphing Ferrofluid Explained
What looks like some strange alien material is a magnetic liquid with both practical and aesthetic purposes. Martin Berman talks to an electrical engineer to discuss what it is and how it's used.
Tech: Motion Capture Mirrors Emotions in Avatar
Avatar's new performance capture technology may revolutionize the way directors, actors and animators collaborate to create whole new worlds on screen. Director James Cameron explains the process.
Tech:3-D Delivers Depth, Not Gimmicks
Rather than relying on classic 3-D tricks to make the audience jump, Avatar director James Cameron wanted to use the technology to give depth to the world he created. Jorge Ribas finds out how the camera works.
The Other Lunar Conspiracy Theories
Most people have already heard the most popular lunar conspiracy theory -- that no one actually landed on the moon -- but what about the rest? Tune in to learn more about other moon-based conspiracy theories, including lunar structures and UFO sightings.
Through The Worm Hole: Type Zero
Physicists measure how advanced a civilization is by how well they control natural forces on their planet, natural forces in stars and natural forces in galaxies. Guess where humans stand on that scale.
Through the Wormhole: Alien Communication
For years, SETI has been on a search for signals from alien life. One scientist believes that there could be another way to search for signs of alien communication. So, can ET really phone home?
Through The Wormhole: Alien Life Forms
What would aliens look like if they were to thrive on a planet without any type of shield from the sun's radiation?
Through The Wormhole: Cosmic Image
Some scientists have the belief that aliens may not look like what we would recognize as living beings at all.
Through the Wormhole: Is Alien Life Possible?
Is it possible that life forms really do exist on other planets? And find out why some believe we're creating alien life right here on Earth!
Through The Wormhole: Machine Planet
Alien evolution could produce a living machine-like planet filled with the intelligence of billions of alien minds. But if this does exist, how do we spot it?
Through The Wormhole: Reading Colors
If there are aliens, they could see that our planet supports life based on the variety of colors produced by land, water and weather systems on Earth. However, we do not yet have the proper tools to identify colors of far away exoplanets.
Through the Wormhole: What Do Aliens Look Like?
If aliens really do exist, then what do they look like? Are they little green men in space suits? Or do they look more like the hideous giant bugs from Blockbuster movies? It's possible that gravity may hold the answer.
Tree Hugger TV: Welcome
Welcome to the wild, crazy, and always informative world of TreeHugger TV. Episode 1 brings you stories about time capsules, Indoor air pollution, and even UFOs.
What's happening to the bees?
Recently, U.S. beekeepers have reported a disturbing increase in hive failures. Experts are still trying to learn what's driving the collapse of these hives -- but some conspiracy theorists claim the government knew about this before it hit the news.
What's the deal with crystal skulls?
When Anne Mitchell-Hedges found a crystal skull at a Belizean excavation site, rumors spread like wildfire. People claimed that the skulls possessed supernatural powers. Science has debunked these claims, but they still persist. Why? Tune in to find out.
Who are the men in black?
Forget Will Smith: The real men in black are much more sinister -- at least, that is, if they exist at all. But what exactly are the men in black? Listen in to learn more about the conspiracy theories concerning these mysterious individuals.
Who's making all those crop circles?
Cereologists don't all agree on how crop circles form, but there are some wild theories out there, including freak weather and UFOs. Also, hoaxers confessed to making hundreds of circles. Tune in to learn more about the theories surrounding crop circles.
Why do some people think Nazis built UFOs?
Everyone's familiar with the idea of UFOs, those mysterious airborne objects often linked with extraterrestrials -- but what if there weren't any aliens involved? Tune in and learn why some people believe Nazis may be responsible for modern UFO sightings.
Wonders of the Solar System: Power of the Sun
It is more than just a bright star in the sky. Find out where the Sun draws all of its natural power.
Wonders of the Solar System: Rhythm of the Solar System
Find out how Earth travelling through space governs the rhythm of our days, years, and seasons.
Wonders of the Solar System: Saturn
The processes that built the solar system are still in action today on one planet: Saturn.
Wonders of the Solar System: Spinning Spirals
The early solar system may have begun with a massive cloud moving in spiral motion, much like a tornado.
Wonders of the Solar System: The Solar System
13 billion kilometers away from Earth, the Sun is truly "just another star." Find out where the Sun lands in relation to other members of the solar system.
Wonders of the Solar System: The Solar Wind
Drawn by the magnetic fields of other planets, the Solar Wind continues to move throughout the solar system.
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