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

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

Of course, Bowie had to make our top 10! From musing if there’s life on Mars to dreaming about a possible starman, this music ...

A pair of planetary scientists at the University of California, working with a colleague from the California Institute of ...

Jovian storms can rework the whole chemical makeup of Jupiter's deep atmosphere by picking up ammonia from and dropping it ...

Curious about what planets look like through a telescope? This guide breaks down what you’ll see based on your telescope’s ...

NASA's Voyager probes passed through Jupiter's system and snapped pictures of its largest moons, also known as the Galilean ...

On April evenings, look to the west to spot the bright winter constellations of Orion, Gemini, Taurus, Auriga, Canis Major and Canis Minor. They’ll be gone soon, so check them out while you can.

The solar system is home to bizarre moons like Enceladus and Callisto, each unveiling nature’s wonders and some of science’s ...

Back in 1969, when Neil Armstrong and Buzz Aldrin first set foot on the moon, scientists knew of just 31 other moons in our ...

Wondering what there is to love about Jupiter? The Jovian giant has many reasons that are worthy of your affection, whether ...

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