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

A theory involving a "mushy zone" of ice along the moon’s fissures could explain the enormous plumes erupting from its south ...

Sometimes sleep takes priority over cool celestial events. Luckily, you can catch a partial solar eclipse this month and a ...

Most of the U.S. should be able to see the total lunar eclipse tonight, but clouds will be problematic for many.

The first study on the Moon samples brought back by the Chinese Chang'e-6 mission show that the Moon's far side was just as ...

A video of the view of the open ocean on a full moon night vs how it looks on a no-moon night was shared on social media, ...

A total lunar eclipse will turn the full moon red on Thursday evening and Friday morning across the Western Hemisphere, depending on where you live.

As NASA astronauts aim for landings in 2027, geologists find surprises in recently retrieved samples from the far ...

But evidence for Callisto's subsurface ocean has remained inconclusive, as the moon has an intense ionosphere. Scientists thought this electrically conductive upper part of the moon's atmosphere ...

For decades. researchers have theorized that resting beneath Callisto's pockmarked surface is a liquid saltwater ocean that spans the entire moon. After taking a closer look at data from 30 years ...

Liquid from the ocean, scientists believed, could be escaping through cracks in the moon's icy crust. Researchers at Dartmouth College set out to understand exactly how these geysers form ...