If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...

Uranus sits far beyond the orbit of Saturn, yet its smallest moons are suddenly at the center of a quiet revolution in outer ...

The Sun is orbited by eight planets, at least five dwarf planets, tens of thousands of asteroids, and around three trillion comets and icy bodies. Although not all objects of the solar system are as ...

There are plenty of moons orbiting around the planets in our solar system — Saturn, for example, has well over 100 known moons — and astronomers believe that planets outside our solar system almost ...

Jupiter’s moon Europa is cloaked in a smooth icy shell cracked with fine ridges. Scientists believe that beneath this frozen surface lies a saltwater ocean - possibly holding twice as much water as ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests. When you purchase through links on our site, we may earn an affiliate ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

By measuring iron isotopes in Moon rocks and meteorites, researchers determined Theia probably formed closer to the Sun than Earth did, not in the distant outer Solar System. Identical twins: Earth ...

SPARROW, a steam-powered robotic concept, could one day take giant leaps over some of the most hazardous terrains known (and unknown) in the solar system. Steam locomotion may sound like an antiquated ...