Doesn’t Jupiter have the most moons? What are they going to call all these moons? Are there more out there? And what exactly makes something a moon, anyway? These new discoveries cement Saturn ...

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to huge heights.

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath ...

Scientists are trying to understand how the caves formed and how life is supported in extreme environments.

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about ... part workshop series titled 'Sample Return from All across the solar system,'" Adeloye tells Universe ...

How do you spot moons, and why hadn’t anybody seen these ones already? Doesn’t Jupiter have the most moons? What are they ...

Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists. The chemistry in Wind Cave, South Dakota, means that, under an ultraviolet (UV ...