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

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

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

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 ...

Docking is the process by which fast-moving spacecraft approach each other, slow down, and are finally joined together. This ...

The International Space Station continues to act as humanity’s outpost in low-Earth orbit, a role that began at the turn of ...

The astronauts on the I.S.S. — including two who were scheduled to return months ago — held a zero-gravity cookie-decorating ...

NASA administrators are also accountable to elected officials. Administrators are appointed by the president but must be ...

Despite the unusual conditions, crew on the ISS are still able to celebrate the holiday with traditional foods, though Christmas cookies can be problematic.

Chinese astronauts achieved a record-breaking spacewalk, surpassing NASA's previous record. NASA's astronauts will remain ...

Two Chinese astronauts aboard their country’s orbiting space station spent nine hours working outside in the cold vacuum of space, the longest recorded spacewalk, the Chinese space administration has ...

Elon Musk’s SpaceX is planning to fly private crew missions to the International Space Station in partnership ... first spacewalk by non-professional astronauts. Isaacman has been nominated ...