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

Williams launched to the International Space Station on June 5th with fellow NASA Astronaut Butch Wilmore on the first crewed ...

The astronaut appeared to be in good health and spirits following photos of her that recently sparked health scare rumors.

"All NASA astronauts aboard the International Space Station are in good health," says the agency's chief health and medical ...

In November 1969, Apollo 12 astronauts Commander Charles "Pete" Conrad, Command Module Pilot (CMP) Richard F. Gordon, and ...

Scientists said on Thursday they found what is believed to be the world's largest coral, which has been growing undisturbed ...

The project involved simulating a flight beyond low-Earth orbit, including the effects of long-term isolation with restricted communication and expedition resources ...

SpaceX astronaut Jared Isaacman said frequent space travel is "around the corner." How humans will survive off-world is ...

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 ...

Credit: NASA Wednesday’s research aboard the International Space Station (ISS) focused on DNA-like nanomaterials, ultrasound ...

Choosing billionaire Elon Musk to be what President-elect Donald Trump calls “our cost cutter” for the U.S. government, is ...