A report by German aerospace engineers questions whether SpaceX's Starship could take humans to Mars before the decade is out ...

The astronauts on the Shenzhou-19 mission at Tiangong Space Station used semiconductor catalysts to convert carbon dioxide ...

Where the astronauts sat in the Apollo Lunar Module may have profoundly impacted the way the experience of walking on the ...

Astronauts on China's Tiangong station used artificial photosynthesis to turn CO₂ and water into oxygen and rocket fuel.

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

One little-seen aspect of military training involves what to do if astronauts returning from space need saving from the sea.

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth.

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive ...

President Donald Trump and Elon Musk announced this week that SpaceX, the space exploration company founded by Musk, will be ...

NASA's two stuck astronauts are taking their first spacewalk together, exiting the International Space Station almost eight ...

Sunita “Suni” Williams and Barry “Butch” Wilmore, who have spent an unexpected eight months on the International Space ...

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth ...