space.com

SpaceX's Starship likely won't be able to fly again until late November at the earliest, because the FAA and partner agencies need more time for licensing […]

The sun unleashed an X1.3-class solar flare on Thursday (Sept. 12), increasing the likelihood of widespread auroras this weekend.

The Polaris Dawn crew called down to Earth to honor the anniversary of 9/11, and to do a book-reading event to support St. Jude Children's Research Hospital.

Two private astronauts conducting the first commercial spacewalk did not so much float out of their spacecraft as they did "stand up."

Hurricane Francine, the sixth storm of this year's Atlantic hurricane season, made landfall on the Louisiana coast late afternoon on Wednesday.

A preview of two new "Firefly" comics from Boom! Studios that delve into the origins of Captain Mal and Zoë Alleyne

A NASA satellite designed to search for the universe's most powerful and violent explosions has successfully scouted its first burst, space agency officials […]

Saturday Sept. 14 marks NASA's annual Observe the Moon Night, a worldwide event to promote lunar science and astronomy, celebrate cultural connections to the […]

Two Polaris Dawn astronauts completed the world's first all-private spacewalk in their new SpaceX extravehicular activity suits, on Day 3 of the groundbreaking […]

Astronomers have gotten the first-ever detailed views of turbulent activity on a star other than our own sun.