SpaceX is scheduled to bring home two astronauts who have been on the International Space Station since June. Mr. Musk said President Trump had asked for that to occur “as soon as possible.” ...

Less than 24 hours after the International Astronomical Union’s Minor Planet Center announced the discovery of a new asteroid ...

For more than 60 years, the military has launched reconnaissance, communications, and missile warning satellites into orbit.

Then along comes Musk, with one of the world's loudest microphones, shouting that NASA's astronauts are stranded and that ...

While New Shepard is best known as a space tourist vehicle, 19 of its 28 flights to date have been uncrewed. The reusable ...

A chunk of space rock that visited near Earth's orbit last year was widely called a "mini-moon," a nickname that was more ...

The next SpaceX launch from Florida will occur between Wednesday night and Thursday morning, and it's not a Starlink. Here's what to know.

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.