The solar system's oddball planet has some pretty odd moons, too. The first infrared spectra of Uranus's small inner moons, ...

Here are five key findings from the hearing showing some of the important things to Isaacman, and the committee, as the ...

In reality, a green rim is there at every sunset. It's just usually so thin, and so brief (a second or two), that our eyes ...

"A vulnerability in this software poses a threat to billions of dollars in space infrastructure and the scientific missions ...

NASA's Jonny Kim and two cosmonauts are scheduled to leave the ISS today (Dec. 8) at 8:41 p.m. ET. Three astronauts will head ...

The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the ...

Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection is expected to slam into Earth.

SpaceX launched a new batch of its Starlink satellites today (Dec. 7). A Falcon 9 rocket carrying the 29 internet broadband ...

The Geminids return with near-perfect viewing conditions, offering skywatchers up to 150 meteors an hour under dark December ...

From bicycles to rockets, learning through experience – whether human or machine – is shaping the future of space exploration ...

The waning moon shines close to the king of the planets on Dec. 7. Don't miss Jupiter shining close to the waning gibbous ...

Rocket Lab will launch a Japanese technology-demonstrating satellite on Monday night (Dec. 8), and you can watch the action ...