Astronauts Training on Earth
Watch this NOVA video podcast to learn more about what it's really like to be an astronaut. It is not all glitz, glamor and zero-gravity. The spacesuit is not very comfortable and astronauts are in them for up to eight hours at a time with no food.
Most Watched in Spaceflight
The Space Shuttle: Launch of Shuttle Discovery
On Discovery Channel's "The Space Shuttle: Countdown to Comeback," watch as the crew of the STS-114 gets the green light to launch. This was the first space shuttle flight since the Columbia crash.
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."
Apollo 13: Rescue Mission
In April 1970, Apollo 13 experienced a violent explosion. Learn how the astronauts were able to survive on Discovery Channel's "Apollo 13."
The Space Shuttle: Landing of Discovery
After completing a successful return to flight mission, Discovery is given the go ahead to land. This will be the first landing since the crash of Columbia. Watch the reentry on Discovery Channel's "The Space Shuttle: Countdown to Comeback."
The Space Shuttle: Repair Spacewalk
The purpose of the first spacewalk of this mission is to test heat shield repair materials and tools. Watch as the astronauts finally get to test their well practiced skills in space on Discovery Channel's "The Space Shuttle: Countdown to Comeback."
The Space Shuttle: Rendezvous Pitch Maneuver
Space shuttle Discovery is about to dock at the International Space Station, but first there is one last inspection to perform -- the rendezvous pitch maneuver (RPM). Watch an RPM on Discovery Channel's "The Space Shuttle: Countdown to Comeback."
NASA Explains Spacesuits
Watch this video about spacesuits on HowStuffWorks. This NASA Destination Tomorrow Segment is describing spacesuit design and how modern suits have adapted with time. Learn how spacesuits work in this video from NASA Destination Tomorrow.
Spacewalkers: Extra Vehicular Activity
Another term that is used to describe a spacewalk is extra-vehicular activity (EVA). Learn about some of the first EVA missions on Discovery Channel's "Spacewalkers: The Ultimate High-Wire Act."
Spacewalkers: Space Walker Tools
On Discovery Channel's "Spacewalkers: The Ultimate High-Wire Act," learn about the special tools used in space missions and their features.
Recent Videos in Spaceflight
Discovery News 2009: 'The Sexiest Spaceship Ever'
Commercial space travel just made a giant leap with the unveiling of SpaceShipTwo, Virgin Galactic's newest vessel and the world's first commercial spacecraft. Sir Richard Branson talks to Discovery News' Irene Klotz about his latest innovation.
Space: NASA Tests Spaceflight Emergency System
As NASA prepares for the next generation of spacecraft, the space agency is renewing its focus on safety. A team of engineers is developing an emergency landing system that would fly astronauts to safety.
Discovery News: Cool Jobs: Astronaut
Have you ever wondered what it's like to be an astronaut? Kasey-Dee Gardner introduces you to Space Shuttle Commander Stephen Frick in this Discovery News video.
Sci-Trek: Lunar Colony
A sustainable lunar colony must be able to withstand the harsh conditions on the moon. Watch this video from Discovery Channel's "Sci-Trek."
G Word: Living Green in Space
In this clip from Planet Green's "G Word," correspondent Graham Hill interviews Dr. Peggy Whitson at NASA to find out more about how astronauts eat and drink in space.
Zero Gravity Activity
The reduced gravity of space offers challenges and diversion for astronauts. Check out this video from the archives of Discovery to see astronauts in zero-gravity action.
Astronauts Get Ready
Astronauts prepare rigorously for every aspect of a space mission, including launch day. Find out what it takes to launch the space shuttle in this clip from Discovery's archives.