All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show. advertisement.

Only eight planets call our solar system home. Or there might still be nine if some astronomers are correct about an as-yet undiscovered large body out past Neptune.

Don't worry though—it's not like one planet simply fell out of the solar system. We'll explain what happened and also show you some tricks for remembering the order of all of the planets that ...

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 ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

The planets of the solar system were lined up in the sky Wednesday night in an astronomical phenomenon, visible from Earth, known as a "planet parade." The phenomenon, ...

Let me explain more about the planets in our solar system in a way that a 7-year-old can understand. Think of our solar system like a big family. The Sun is the parent, and the eight planets are ...