Astronomers have discovered that the sun had a close encounter with two blazingly hot massive stars around 4.4 million years ...

New research shows how the star's powerful outbursts could help scientists assess which worlds might support life.

In his nomination hearing last week, Isaacman faced questions from the committee scrutinizing his relationship with SpaceX ...

Considering the Terminator movies are about time-traveling killer robots and a scrappy human Resistance battling against a ...

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

From the Harvest Supermoon that radiates abundance and warmth, to the Cold Supermoon that glows with icy clarity, each lunar ...

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

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

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 ...

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

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 ...

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