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.

The SpaceX crew arrived at the International Space Station on Sunday, March 16 Talk about an out of this world greeting! On ...

Astronauts Butch Wilmore and Suni Williams are preparing to touch back down on Earth as early as Tuesday. The two have been on the International Space Station since June. Their mission was only ...

The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...

What if the government offered you a one‑way ticket to another planet? This video explores the astonishing story of a secret human‑alien exchange mission that sent astronauts 40 light years from Earth ...

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

Britain's first astronaut thinks aliens exist and she says they could be already living among us, but we can't see them. Helen Sharman is a chemist who currently works at the Imperial College in ...

Talk about an out of this world greeting! On Sunday, March 16, as SpaceX and NASA's Crew-10 astronauts arrived at the International Space Station ahead of Crew-9's return home, some friendly space ...