Sierra Space and NASA's Johnson Space Center are conducting simulations to prepare for the Dream Chaser space plane's first ...

NASA astronaut Don Pettit shared jaw-dropping footage of an undulating green aurora as seen during a flyover from the International Space Station.

Expedition 70 NASA astronaut Jasmin Moghbeli announced that the International Space Station crew found a tomato lost by ...

A breathtaking image from the ISS shows Ksudach volcano with its vibrant landscape, shaped by volcanic forces, resulting in ...

Expedition 72 is kicking off the New Year by preparing for an upcoming spacewalk to service scientific equipment and install ...

As competition in the new space race ramps up with China, the United States is preparing to deorbit the International Space ...

A NASA astronaut has released stunning footage of an aurora taken while the space station flew directly above it.

Other astronauts have stayed a couple of hundred days on the space station. But this was a planned 10-day excursion that will ...

Iowa native and prolific astronaut — first with NASA for three decades and recently as director of human space flight for ...

Watch NASA astronaut Don Pettit's breathtaking video of the aurora from the International Space Station, showcasing nature's ...

Don Pettit is on a roll. Just days after sharing a breathtaking shot of Earth, the American astronaut has followed up with an ...

So, the space agency does have a protocol for astronauts to follow in case someone does die in space. Astronaut and former ...