I was a NASA astronaut. This is what it's really like in space, how I felt watching my close friends die in the 2003 Columbia disaster and what I really think of Lauren Sanchez

US former NASA astronaut Joan Higginbotham, 60, who waited for nearly 20 years ahead of her 2006 space mission, says space tourists may be able to weekend in orbit in just five years' time.

Euclid Mission

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Why NASA Picked An Air Force Pilot To Command Its Mars Simulation Mission

NASA's CHAPEA mission will see four volunteers living in a simulated Mars base, and leading them is an Air Force pilot, who ...