Titan, the second largest moon in the Solar System—indeed, it is even larger than the planet Mercury—draws attention not only ...

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 ...

Moons are natural satellites that rotate around planets or asteroids. They come in many shapes, sizes and types. Larger moons are spherical, but others can have an irregular shape or texture. Although ...

Three secret moons have been discovered lurking out of sight in our outer solar system. These moons were found orbiting the furthest planets in our solar system: one around Uranus, and the other two ...

As we probe the secrets of far-away corners of the universe, it can be easy to forget we don't yet know everything about our little corner of it. Scientists from the International Astronomical Union's ...

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 ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

An asteroid 20 times larger than the one that may have wiped out the dinosaurs struck Jupiter's moon Ganymede some 4 billion years ago, dramatically shifting the possibly life-hosting satellite's axis ...