The agency’s top medical official was responding to rumors that Suni Williams had lost an unusual amount of weight during an ...

A Long March 7 rocket is set to launch the Tianzhou 8 cargo spacecraft toward China's Tiangong space station on Friday ...

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

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

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

The space superpowers set to land astronauts on the Moon - the U.S. and China - should forge a lunar peace pact protecting ...

SpaceX's CRS-31 Dragon spacecraft is scheduled docked with the International Space Station. Broadcast courtesy: NASA ...

Indian-origin astronaut Sunita Williams, currently on a long-duration mission aboard the International Space Station, ...

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

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 ...

Suni Williams and Butch Wilmore, the two NASA astronauts who have been stuck at the International Space Station for more than ...