The ancient Greeks proved over 2,000 years ago that the Earth was round and figured out how big it was by using simple observations of the Sun. But how do people know this today? When you drop ...

These 80 space trivia questions are great to play with friends, challenge your family with or play by yourself. See how much ...

Free to print My Little Book of Planets—a fun, free printable space mini book for kids to color, trace, and learn about planets, space vocabulary, and more! Looking for a simple and fun way to teach ...

Have you ever looked up on a clear night at the stars and noticed that some of them seemed to twinkle or dance? This twinkling is due to the Earth’s atmosphere. When light reaches Earth from a star, ...

Dr Rudi Kuhn does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Lots of us are familiar with pictures of the planet Saturn and its unmistakable ring. In fact, Saturn doesn’t have just one ring – if you look through a telescope, you will see that Saturn actually ...

What’s the world’s stinkiest fruit? Which building tilts more than the Leaning Tower of Pisa? And where can you eat fried spiders as snacks? These and a slew of additional questions are answered in ...

For a very long time, Saturn was thought to be the only planet in our solar system with rings. The rings around Saturn were discovered by an astronomer called Galileo Galilei nearly 400 years ago. He ...