Space
Explore the vast reaches of space and mankind's continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
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This passive-aggressive peacetime contest between the USSR and the U.S. unofficially ended with the U.S. moon landing. But the Soviets also touted a long list of space race accomplishments. Who won?
Kids from around the world flock to Huntsville, Ala., to attend Space Camp. What's so appealing about science class in the summer, and can a 40-year-old go to camp?
By Julia Layton
When astronauts talk moonwalking, they don't mean the Michael Jackson dance move. Spacewalks take an entire day of preparation -- and a 240-pound space suit.
By John Fuller
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There's no livestock in space farming, but growing plants in space could allow for long-term exploration and settlements. And with this farm, you don't need to watch where you step.
The changing phases of the moon have given us an enduring curiosity about the dark side of the moon. But is there really a dark side of the moon? What would we see there?
Imagine parallel parking on slippery ice during a dangerous dust storm. Landing on Mars presents similar obstacles, on a grander scale. And remember, insurance doesn't cover extraterrestrial damage.
The Voyager space probes took dazzling pictures of planets no one had ever seen. And they're still on the move, carrying golden records with a message for aliens -- complete with bagpipes and Louis Armstrong.
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The moon is often the largest object in the sky outside of the sun. What is the moon made of, how did it form -- and why do people blame it for their strange behavior?
Traveling faster than the speed of light, you could go anywhere in minutes -- at least, in the "Star Trek" universe. Is this sci-fi device theoretically possible?
By John Fuller
How do you eat when you're in a low-gravity environment? Space programs have come up ingenious contraptions and packaging methods to make astronauts' meal times as normal as possible.
The Apollo program was initiated with the goal of landing a man on the moon. What was the spacecraft that helped make this giant leap for mankind?
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It was a small step for a man, a giant leap for mankind. But some people say that the moon landings never happened at all. Why all the conspiracy theories?
By John Fuller
Asteroid belts aren't quite the dense fields of gigantic spinning rocks that you may have seen in a "Star Wars" film, but they're still fascinating. In fact, the main asteroid belt may tell us how our entire solar system came into existence.
By John Fuller
Project Gemini played an important step in NASA's efforts to put a man on the moon. How did the Gemini spacecraft carry two astronauts into space and back safely?
Neil Armstrong may have been the first man on the moon, but he wouldn't have gotten there without fruit flies, rhesus monkeys or a dog.
By John Fuller
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Humans produce plenty of trash on Earth, but you might be surprised to learn how much we've managed to leave in space. What's floating around up there? And will it come crashing down on our heads?
By John Fuller
Astronauts risk their lives in the pursuit of science. How does NASA know who can be an astronaut? And what do they do when they're not in space?
You've probably heard that staring at the sun is bad - even a few seconds can damage your eyes. But what if you looked at a solar eclipse?
The not-so-distant future, regular people will be able to take flights into space. So how do you score a spot on a Virgin Galactic flight?
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After Viking 1 captured images of what looked like a face on Mars, the public began to speculate. Had Martians carved a colossus, or was there another answer?
Foo fighters have been reported by fighter pilots since World War II. Were they with the Axis or Allies, or maybe from another planet? Read more about reports of foo fighters and censorship of foo fighter sightings.
The RB-47 UFO incident of 1957 was classified for years after it happened. Read how an RB-47 planed encountered two UFOs over Mississippi and Texas.
In 1964, police officer Lonnie Zamora saw an egg-shaped UFO in Socorro, New Mexico -- and the pilots. The encounter was so incredible that government nvestigators from the secret Project Blue Book even came to investigate.
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Astronomer and defense researcher J. Allen Hynek is behind the UFO sighting classification system based on "close encounters." So what is a close encounter and have you had one?
By Suzie Dundas
Many people have reported alien abduction stories. Most of the abductees have shared their stories through hypnosis -- which causes wide disagreement about their validity. Read more about alien abductions.
By the Editors of Publications International, Ltd. & Desiree Bowie