Iconic ISS astronaut Suni Williams says she opposes a bombshell proposal fired off by SpaceX founder Elon Musk to crash the ...

Dangerous situation on the International Space Station. A Russian astronaut was warned about a threat caused by a coolant ...

Elon Musk, the world's richest man, said he tried to buy rockets from Russia as part of his goal to get a manned mission to ...

Russian cosmonauts Oleg Kononenko and Nikolai Chub took part in a spacewalk on the International Space Station to inspect its ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...