Discovery News: Martian Spacecraft Touches Down
In this Discovery News clip, Kasey-Dee Gardner speaks with scientists about one of the most nerve-wracking parts of the Phoenix Lander mission.
Most Watched in Space Exploration
Assignment Discovery: Astronaut Training
Astronauts train extensively before going into space. For every hour that they are going to be outside of the space station, they practice for ten hours on Earth. Learn more about astronaut training on Discovery Channel's "Assignment Discovery."
Learn about radio telescopes and how they help shape our understanding of the universe.
Discovery NASA: Apollo Soyuz Dock
From the NASA Video Vault on Discovery.com: Highlights from the NASA film "The Mission of Apollo Soyuz," featuring the rendezvous and docking of the two vehicles and reflections on the future of international projects.
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.
Assignment Discovery: Medicine in Space
Scientists at NASA are developing technologies to address medical procedures in space. Learn more about medicine in space on Discovery Channel's "Assignment Discovery."
Chandra: Stellar Evolution
Watch this NASA video to see what happens when stars die. Our sun will eventually grow into a red giant and then collapse into a white dwarf. Larger stars will explode and form black holes. Watch to see another ending to a big star's life.
Mars Rising: Episode 1
The trip to Mars entails many physical and mental challenges, and research teams work around the clock to predict how problems might occur.
Recent Videos in Space Exploration
Cool Jobs in Science: John Holdren
What if your job included talking with the president about deep space exploration while riding in the Marine One helicopter? Dr. John Holdren, rocket scientist and physicist, talks about the cool stuff he works on as Science Advisor to President Obama.
Sci Fi Science: Building a Starship
Michio Kaku presents his design for a starship that will help him to travel through space. Will his design have the ability to travel where no man has gone before?
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.
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.