A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth.

Jupiter, the largest planet in our solar system, is home to a fascinating array of moons. Among its 90-plus satellites, one ...

"Detecting an exomoon would be quite extraordinary, and because of Io, we know that a volcanic exomoon is possible." ...

The existence of a moon located outside our solar system has never been confirmed but a new NASA-led study may provide ...

New research done at NASA's Jet Propulsion Laboratory reveals potential signs of a rocky, volcanic moon orbiting an exoplanet ...

NASA’s Europa Clipper mission is set for launch, finally revealing if this icy moon of Jupiter is habitable or not.

But a new NASA study may have found a clue that one is orbiting a planet some 635 light-years from Earth. The inference comes ...

Io, Jupiter's moon, continues to reveal itself. The latest images transmitted by the Juno spacecraft offer an unprecedented view of its tumultuous surface. The Juno mission made a surprising discovery ...

The NASA Juno mission orbiting Jupiter has returned a spectacular new set of images after its most recent flyby of the giant ...

All of that, plus fuel, means the spacecraft tips the scales at approximately 13,000 lbs., which requires a bruiser of a ...

For the first time, NASA is journeying to this mysterious moon to determine if it might be able to host alien life.

New research from NASA’s Jet Propulsion Laboratory suggests there may be a volcanic moon orbiting a planet 635 light-years ...