A stronauts’ bodies undergo plenty of stress beyond just the extraordinary g-forces at launch. Microgravity, cosmic radiation ...

NASA astronauts Sunita Williams and Barry Wilmore have been stranded aboard the International Space Station for nearly nine months after their return trip on Boeing’s Starliner was deemed unsafe.

Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.

The replacement crew of the SpaceX Dragon capsule, sent on a mission to retrieve two astronauts stranded at the International ...

From the earliest days of human spaceflight, astronauts have described moments when something outside the window did not ...

Possibilities and unanswered questions are not sufficient substitutes for scientific evidence. Source: Guy P. Harrison One of the great mysteries of the cosmos is why belief in ancient astronauts is ...