Japan's new HTV-X cargo spacecraft will launch on its first-ever mission to the International Space Station today (Oct. 25), ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

SpaceX has notched a number of important milestones in the past week or so. For example, one recent mission launched the ...

This quiz will test your lunar savvy — from iconic craters and mysterious maria to the legendary Apollo landing sites.

On Episode 183 of This Week In Space, Rod Pyle and Tariq Malik are joined by Mike Wall to discuss NASA's pursuit to beat the ...

"Foolish, Earthlings!" The line most commonly uttered by two drooling aliens who have become a staple of "The Simpsons"' ...

Three billion years ago, a sun -like star reached the end of its life, throwing off its outer layers following its red giant ...

The two Texas Senators trying to mandate the relocation of Discovery from the Smithsonian Institution's Udvar-Hazy Center in ...

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its ...

Satellite photos taken by Planet depict the demolition of the East Wing of the White House to make room for the planned Trump ...