Moon Rock Study
From the archives of Discovery: When NASA astronauts return with moon rocks, teams of scientists run the rocks through a battery of tests to analyze their properties. Learn more about NASA and moon rocks in this video.
Space School: Saturn
Saturn may be famous for its rings, but this gas giant also happens to possess the most powerful winds in our solar system. Learn more about Saturn in this segment from the Science Channel's "Space School."
Space School: Pluto
At 3.7 billion miles from the sun, the dark world of Pluto has remained a puzzle to scientists. Learn more about new findings on this distant former planet in the following clip from the Science Channel's "Space School."
Extreme Machines: Space Shuttle Micro
The space shuttle must create an environment where humans and machines can survive. The life support system controls the air pressure, humidity and temperature. Learn more on the Learning Channel's "Extreme Machines."
Space School: Mercury
The closest planet to the sun, Mercury boasts both boiling hot and freezing cold temperatures. Learn more about this mercurial planet in the following clip from the Science Channel's "Space School."
Assignment Discovery: Hazardous Outer Space
Outer space is hazardous for humans because of no air, extreme temperatures and micro asteroids. Learn more about outer space on Discovery Channel's "Assignment Discovery."
Spaced Out: Sex in Space
Did NASA ever conduct sex experiments in space? Is it even possible to have sex in space? Find out in this humorous video from the Discovery Channel's "Spaced Out."
Space Station Parts
Watch this video about the International Space Station on HowStuffWorks. NASA Connect segment explaining each components of the International Space Station and how these parts work together. See how the International Space Station works in this video from NASA.
Coming Home From Space: Space Shuttle's S Turns
At around 300,000 feet the space shuttle transitions to an airplane as it begins the descent to Earth. To slow down, the shuttle performs S-turns by banking one way and then the other. Learn more on Discovery Channel's "Coming Home From Space."
Extreme Machines: Space Shuttle Computers
The space shuttle's computers are vital in keeping control of the spacecraft. The onboard computers monitor 10,000 different censors. Learn more on the Learning Channel's "Extreme Machines."
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.
Oddities: Cow-Eyed Flower
Now 100 years old, the John Carter stories have inspired characters real and fictional. Martin Berman looks into what makes a Sci-fi classic.
Oddities: Get to the Point
2012 has seen some of the highest levels of solar activity ever recorded. But what can solar storms do to you? Daron Taylor takes a look at what these intense geomagnetic storms mean.
Oddities: Yearning for a Gurney
SETI Institute is Earth's "welcome mat" for extra-terrestrial intelligence, where dozens of scientists are examining signals from space, and exploring our evolutionary history to find out if life could have happened elsewhere in the universe.
Oddities: A Heady Bargain
Since launching in 2009, the Kepler program has detected hundreds of previously unknown planets. How many of them are Earth-like, and what does that mean for the probability of intelligent life beyond our solar system?
Space: Massive Northern and Southern Lights Explained
Thanks to the largest solar radiation storm since 2003, beautiful aurorae have been popping up across the globe. Martin Berman talks to Discovery News Space Producer Ian O'Neill to understand how the aurora borealis and australis are created.
Dark Matters: Missing Cosmonauts
Two amateur radio hams listen in, recording broadcasts from early Russian launches into space. One day, they hear a heart-stopping sound. Someone tapping out a distress signal from space.