Aliens & UFOs

Do Aliens & UFOs exist? Has man been visited by other races from other worlds? Explore the fascinating evidence for and against the existence of extraterrestrials.


UFO hoaxes became increasingly common in the wake of the spaceship craze of mid-1900s. From cow abductions to naked aliens, find links to UFO hoaxes and hoaxsters of the past century.

Howard Menger said he was a UFO contactee, and even made a free energy device based on UFO science. Other contactees have made similar claims and dubious business ventures. Read about Howard Menger and other UFO contactees.

Have aliens arrived on Earth naked? Two contactees claim that a naked alien has come to visit our planet in last century. How are their stories similar and how are they different?

In 1884 a UFO crash in Nebraska sent flaming bits of machinery flying through the air and startled residents. The long, cylindrical ship later disappeared when it rained. Read more about the 1884 Nebraska crash.

Star People are those who, according to Brad Steiger, live on Earth to prepare for the arrival of our alien relatives. Star People have unique traits that set them apart from ordinary humans. Read more about Star People.

The Straith Letter was fabricated by two UFO writers. The letter alleged U.S. State Department had significant evidence about extraterrestrial life. Read how the fake letter from a government official fooled UFO contactee George Adamski.

Bob Lazar claimed to have worked in the S-4 section of Area 51. On that top-secret Nevada research base, he claimed to see anti-gravity reactors and flying saucers in person. How truthful were his extravagant tales?

The Maury Island UFO incident was a UFO encounter concocted by Fred Crisman and Harold Dahl. Even after they confessed, this tale remained widespread, living up to its reputation as the "dirtiest hoax in UFO history."

Mon-Ka is a Martian, rumored to have been communicating with the Earth since the mid-1950s. Dick Miller first popularized the hoax in London, and the story spread. Read how Mon-Ka's fooled the city of Los Angeles.

George Adamski preached an interplanetary gospel based on contact with UFOs and aliens. Though serious investigators scoffed, he earned wide attention. Read about George Adamski and his "Space Brothers."

Ashtar is an interstellar ruler and leader of millions of extraterrestrials who is said to have contacted George van Tassel. Learn more about Ashtar.

In 1897 Alexander Hamilton reported a cow abduction by a UFO that appeared at his farm in Kansas. How did he fool people for half a century, and even get the made-up story in the newspaper?

Richard Sharpe Shaver was a controversial UFO storyteller promoted by magazine editor Ray Palmer in the 1940s. Shave wrote amazing stories about aliens called deros and teros. Some called him a crackpot; some called him a prophet.

Spring Heeled Jack is a legendary English character. He was a mysterious a Victorian-era murderer, leaping from rooftop to rooftop, leaving a trail of tragedy in his wake. Read why some think Spring Heeled Jack may have been an alien humanoid.

The theory of ether ships is one of many UFO theories that seek to explain UFO phenomena. Ether ships have strange properties that allow them to travel widely. Read about ether ships and where they might come from.

Hollow earth theory was the brainchild of John Cleves Symmes, who sought to explore Earth's center, where UFOs supposedly come flying in and out. Read why some believe UFOs live inside the Earth.

The Oz Factor is a sensation that UFO witnesses experience. Learn where the term "Oz Factor" came from, and what the experience is like.

John Philip Bessor originally theorized that UFOs could be a form of space animal. These organisms may even be carnivorous. Learn more about space animals and the UFO critter theory.

Both skeptics and believers spend time researching UFO reports and explaining UFOs as natural or supernatural events, whether meteor or balloon or optical allusion or good old-fashioned mystery. Read more about explaining UFOs.

Does the government maintain secret contact with extraterrestrials? How long have they been communicating? Learn about theories of UFOs and government secrecy in the CIA and the NSA.

Since humans have observed strange phenomena, they have tried to explain them. UFO theories vary as widely in their credibility as in their imagination. Learn about theories of UFOs, aliens, spaceships, and the government.

In the early 20th century, wherever there were "flying saucers," there was also ridicule, dished out to anyone courageous or foolish enough to defy the orthodoxy. How involved were the government researchers in UFO research--and what did they find?

Modern UFO history began with the 1947 UFO sighting by pilot Kenneth Arnold. But the roots of UFO stories stretch back to ancient and medieval days. Learn about the history of UFOs and strange phenomena from ancient times to the mid-20th century.

Less than 100 miles from Las Vegas, is the most famous secret military installation on the planet: Area 51. For decades, the U.S. government refused to acknowledge it existed. But now, the secret is out.

In July, 1947, unusual debris was found in Roswell, N.M. The U.S. Army stated they had received a crashed disc, only to rescind it hours later. Learn more about the Roswell,N.M. UFO crash.