The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

March's full moon, known as the Worm Moon, will bring a stunning total lunar eclipse, turning the Moon a deep reddish hue in ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...

Tense, public squabbles between SpaceX CEO Elon Musk and NASA have stirred the space industry, but behind the scenes, space ...