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

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

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

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

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.

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

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 ...

It's a fitting portrait of the facility that will soon transform our understanding of the dynamic universe by capturing ...