New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

It's 'spoke season' on Saturn when strange features appear in the planet's rings. The Hubble Space Telescope continues to ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer ...

It’s a cosmic puzzle piece that doesn’t seem to belong to any known set. We all know the Moon has a side that always faces away from us, but it turns out that far side might be hiding something ...

Scientists from NASA and Chalmers University have discovered that incompatible substances can mix on Titan’s icy surface, ...

Autumn has draped itself across the northern hemisphere, heralding the onset of longer, darker nights that serve as the ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...