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

Three launch systems and two landers from Boeing, SpaceX, and Blue Origin are all part of the complicated puzzle of NASA’s ...

After a long career as a politician from Florida, former astronaut Bill Nelson has served as NASA's administrator for the ...

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

Facebook CEO Mark Zuckerberg streamed a Facebook Live video interview with NASA’s Tim Kopra and Jeff Williams and the ...

Launch licenses the FAA just issued to Blue Origin and SpaceX are setting the stage for space billionaires Jeff Bezos and ...

THIS year looks set to be another blockbuster year for daring space missions, from China’s asteroid retrieval to the first-ever private space station. Here are some of the biggest space ...

Plus: President-elect Donald Trump says he will rename the country's tallest mountain, reverting to a former name. | The year in space exploration.

Exercise and proper hydration can alleviate some of these problems, but any stay in space can still exact a price—especially ...

From uncrewed lunar missions to the launch of the first private space station, here's a sneak peek at the space missions that ...

The space station sees 16 sunrises and 16 sunsets every 24 hours. So how will the crew there know when it's 2025?The Latest ...