Two astronauts were meant to be in space for a week. More than 150 days later, they're still suck in space and speculation ...

Two NASA astronauts saw their weeks long mission turn into months and now one of them is responding to tabloid claims about her weight.

The astronaut originally arrived at the ISS on June 6 along with Sunita Williams for what was supposed to be just a ten day stay.

In a video released Monday by NASA, stranded astronaut Sunita Williams, 59, offered a surprising reason for her weight loss ...

NASA and Russia at odds over cause and severity of the International Space Station's leak risks, including possibility of ...

"In 65 years of human spaceflight, we've never had to bring somebody back for a medical reason so far," he added. "That's a ...

Sunita Williams clarifies her health status, denying weight loss but detailing body changes from space fluid shifts. Read her ...

"On Nov. 2 of 2020, so about four years ago, the International Space Station entered its third decade of human-tended operations in science," Meghan Everett, deputy chief scientist of NASA’s ISS ...

NASA plans to decommission the aging ISS, which has been continuously manned since November 2000, by the end of the decade and replace it with commercial space stations in the early 2030s. It is also ...

A recent photo of Williams aboard the ISS sparked rumors about her health, restoring the media's habit of prying into the ...

NASA and Roscosmos continue to disagree on the cause and severity of an air leak in the Russian segment of the International Space Station, one that NASA worries could lead to a “catastrophic ...

According to preliminary information, the ISS’s average orbit was increased by 4.9 km to 417.2 km above Earth. The maneuver was performed using the Progress MS-28 spacecraft engines. They were engaged ...