November’s major meteor shower ramps up as the Moon reaches perigee shortly before its Full phase in the sky this week.

Scientists have developed a new method to compute how tides affect the interiors of planets and moons. Importantly, the new ...

Surface features of Uranus' icy moon Miranda point to the existence of a once deep ocean, one that still may exist today.

One of the best-timed shots in TV history is an old clip by BBC's science presenter James Burke which has recently become ...

Jupiter, a gas giant with no solid surface, fierce storms, and a metallic hydrogen ocean, is a cosmic giant shielding Earth ...

A 6-mile-think shell of methane ice on Saturn's moon Titan could assist in the hunt for life signs arising from this moon's ...

With its huge rings of ice and dust, Saturn is one of the Solar System's most iconic planets. It's beautiful, really. But ...

"The suggestion of an ocean inside one of the most distant moons in the solar system is remarkable," a researcher said.

Europa passes through Jupiter's bands of radiation as it orbits the gas giant ... Callisto's ice sheet may be even thicker, possibly hiding an ocean. Saturn's moon Enceladus has geysers shooting ...

Now that it has launched, the next major milestone for the spacecraft will be a flyby of Mars on March 1, 2025. During this maneuver, the spacecraft will get as close as 300 miles and 600 miles (482 ...