The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and ...

NASA's Europa Clipper, en route to Jupiter’s moon Europa, captured infrared images of Mars during a gravity-assist flyby to ...

NASA believes that the month of May brings visibility to four planets, a new star from a nova, a chance of meteor showers and more.

Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

Jupiter’s auroras sparkle with mystery — and Webb just uncovered a cosmic riddle scientists didn’t see coming.

Europa Clipper tested its infrared camera during a Mars flyby, preparing for its 2030 mission to Jupiter’s moon Europa.

The mission took the opportunity of its Mars flyby to make sure its instruments were functioning properly. One designed and ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...

NASA’s latest gravitational data model of the Moon generated a litany of discoveries from ancient volcanoes to navigational ...

Analyzing gravity data collected by spacecraft orbiting other worlds reveals groundbreaking insights about planetary ...

New observations from NASA's James Webb Space Telescope have revealed that auroras on Jupiter are hundreds of times brighter ...

Discovered by Galileo in 1610, Io has since become one of the most fascinating objects in planetary science. Orbiting just ...