Most of us learned the basics of our solar system in school. Eight planets, one sun, some moons, a couple of asteroid belts.

Explore the wonders of our solar system in "25 Insanely Cool Things In Our Solar System"!

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

An artist’s rendering of the theorized Planet Nine, back towards the sun. The planet is thought to be gaseous, similar to Uranus and Neptune. Hypothetical lightning lights up the night side. We get a ...