CC0 Usage Conditions ApplyClick for more information. The Solar System is much more than a collection of planets, moons, comets, and asteroids. It is our home in the cosmos. The Solar System's only ...

When I was a kid, the solar system was simple. There were nine planets and they all orbited in more-or-less circles around the sun. This same sun-and-a-handful-of-planets scheme repeated itself again ...

Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's just a blip in the 13.8 billion-year story of the universe. And one day, the solar system will cease to ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...