NASA revealed details about the effects of microgravity on the astronaut's body during his one year aboard the ISS.
The sixth man to walk the moon, Edgar Mitchell, feels that aliens have sophisticated technology, and have saved us from self-destruction.
NASA has released footage showing last 10 minutes of Orion's descent to Earth.
Chris Hadfield, retired 55-year-old astronaut who was the very first Canadian to walk in space, said that the next giant leap for humanity should be back on the moon, not on Mars.
