Suni Williams and Butch Wilmore only expected to be in space for about a week. But, more than 150 days later, the two NASA ...

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

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

NASA has marked the 55th anniversary of Apollo 12 - world's second manned mission to the Moon. Astronauts Charles "Pete" ...

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 ...

Denmark is a founding member of the European Space Agency and on Wednesday formally committed to safe and responsible space ...

Last week, media outlets like The New York Post and The Daily Mail claimed that International Space Station astronaut Suni ...

In picking billionaire Elon Musk to be “our cost cutter” for the U.S. government, President-elect Donald Trump won't be the ...

Amid media speculations, NASA astronaut Sunita Williams confirms her steady weight and addresses health concerns from the ISS ...