Kids and adults can get involved these citizen science experiments from NASA researchers. Each one comes with educational materials that can help you learn about everything from alien planets to ...

This solar system project for kids is the perfect way to help your child learn about the planets and stars and how they are aligned.

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 ...

For a very long time, Saturn was thought to be the only planet in our solar system with rings.

It can get very cold in space.What is the coldest planet in the Solar System? – Sejal, aged seven, Bangalore, India Knocked sideways ...

Can we terraform other planets so that the human race can spread around the Solar System? – Xander, aged 14, Eindhoven, The Netherlands Of the eight planets in the Solar System, we live on Earth ...

The category "dwarf planet" was created in 2006 to make room for the many large bodies being discovered on the outer reaches of the solar system. Here's a tour of the five currently recognized ...