The word “planet” came from the ancient Greek words that mean “wandering star.” That makes sense, because for thousands of years, people have watched planets change position in the night sky — unlike ...

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 ...

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 ...

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, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW ORLEANS (WGNO) — Mercury, Venus, Mars, ...

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 ...