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.

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 ...

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

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

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on our planet, explore the wonders of our star's domain, or venture into the ...

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

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

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 ...

SpaceX launched its record-setting 139th mission of the year today (Oct. 23). A Falcon 9 rocket lifted off from Florida's ...