NASA's NICER telescope halts its mission after a key motor fails; engineers attempt to salvage eight years of space science.

Space.com, which first reported the images, notes that this kind of Halloween-themed coincidence isn't new. The Sun has shown ...

NASA scientists recently discovered an abandoned Cold War-era U.S. military base that's been hiding under the ice in ...

NASA expands the use of its Astrobee robots on the International Space Station to test new technologies and automate tasks in ...

The International Space Station marks a quarter-century of continuous occupancy this weekend, boasting a guest list of nearly ...

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

The Gibson Allen Memorial Planetarium is hosting a free live stream for the public to watch local students talk to an astronaut on the International Space Station.

“It’s a chance for families, students and anyone curious about the cosmos to get an up-close experience of Mars that is both ...

The Dream Chaser was meant to be NASA's replacement for the Space Shuttle and take supplies to the ISS, but its first test ...

Within the next 18 months, the space shuttle Discovery may be disassembled in Washington D.C., transported more than 1,000 miles to Houston and reassembled. But not if grassroots group Keep The ...

Scientists out of the Pan-STARRs observatory in Hawaii discovered the new quasi-moon on Aug. 29, according to CNN and ABC ...