With a diameter of 88,846 miles at its equator, Jupiter is the biggest planet in our solar system. It’s eleven times larger than Earth, so big in fact that its gravitational forces are thought to be ...

It is often remarked upon that the distribution of rings and moons around the giant planets of the Solar System – Jupiter, Saturn, Uranus, and Neptune – are themselves like miniature solar systems.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits ...

For the first time since 2008, two new planets are being added to one of northern Maine's most famous — and scientifically accurate — roadside attractions. Dwarf planets Haumea and Makemake are the ...