In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

The discovery has raised a lot of questions. How do you spot moons, and why hadn’t anybody seen these ones already? Doesn’t Jupiter have the most moons? What are they going to call all these ...

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists. Originally ...

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other ...

To put it into perspective, that’s nearly double all the other planets’ moons. Poor Jupiter, once the reigning moon king, now ...

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

The discovery has raised a lot of questions. How do you spot moons, and why hadn’t anybody seen these ones already? Doesn’t Jupiter have the most moons? What are they going to call all these ...