NASA crewmembers aboard the International Space Station (ISS) could return to Earth as soon as Thursday, the US space agency ...

The CIA issues a 'Glomar' response over interstellar object 3I/ATLAS. Explore the 'triple-jet' mystery and Professor Avi Loeb ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

NASA says a crew member on the International Space Station is unwell. The agency canceled a planned spacewalk for Thursday ...

In a rare move, NASA announced on Thursday it was cutting a mission aboard the International Space Station short after an ...

NASA did not identify the crew member or provide details on the medical concern, citing privacy issues in a brief blog post.

Democratic Senator Mark Kelly of Arizona says he is not backing down from President Trump and Defense Secretary Pete Hegseth after a formal censure letter was sent to Secretary of the Navy John Phelan ...

After a fairly eventful mission to the Moon's surface, Charles Duke left several items on the Moon, and a message to whoever ...

The 90-second video urging U.S. military personnel to refuse to follow illegal orders was deemed "punishable by DEATH!" ...

WASHINGTON, Jan 5 (Reuters) - President Donald Trump 's Pentagon chief announced plans on Monday to demote U.S. Senator Mark ...

The Pentagon has moved to censure and demote Sen. Mark Kelly, D-Ariz., over a video he made urging troops to refuse illegal ...

Defense and intelligence cooperation continued quietly and steadily. India and the United States signed a new 10-year defense ...