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

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 ...

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.

Join Professor Brian Cox on a journey to the Volcano Worlds of our solar system as he explores planets and moons bursting ...

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

The pick of the new shows on TV, from John Creedon’s latest musical roadtrip around Ireland, to a look at the life and times ...

Upon separation just over an hour after liftoff, the spacecraft will rely on its meticulously designed propulsion system ...

Venus shines bright after sunset, the giant planets rise before midnight, and Mars shines before dawn. Plus, catch Comet ...

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