A bitcoin investor who bought a SpaceX flight for himself and three polar explorers blasted off Monday night on the first ...

NASA's celebrity astronauts Butch Wilmore and Suni Williams say they would fly on Boeing's Starliner capsule again.

What's happening in the skies over North Texas this month? April holds some spectacular sights in the night sky. Check out ...

What began as a bombing mission to destroy an enemy bridge turned into a story of heroic bravery and incredible odds for ...

Fram2, a first-of-its-kind private mission to send four astronauts into polar orbit around Earth, is about to launch ...

Using Hubble's Wide Field Camera 3 instrument, astronomers captured this recent up-close view of the SMC, full of twinkling stars. The image features a small region of the SMC near the center of NGC ...

A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

Parts of the northeastern U.S. and Europe witnessed a partial solar eclipse on Saturday. Here's some photos of what they saw.

A partial solar eclipse will be visible from the U.S. this weekend, but only a select few of the northernmost states are ...

Swarms of satellites launched by SpaceX and other companies are disrupting astronomical observations. Here's how scientists ...

The emergency appeal to the high court follows a rejection of the Republican administration’s plea to the federal appeals ...

Silicon Valley sources — who take credit for the idea of buying Greenland — view it as deeply tied to America’s ambitions in space and information technology, and a critical “play for the ...