Have an out of this world coloring pages with our free planet coloring pages. We have a bonus space coloring pages, and free ...

The International Astronomical Union (IAU) defined a dwarf planet in 2006 as a celestial body that orbits the Sun, is round in shape, but has not cleared its orbital neighborhood of objects of ...

This is an archived article and the information in the article may be outdated.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, ...

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, ...

Daniel Cunnama receives funding from the National Research Foundation and the South African Astronomical Observatory. Thanks for asking such an interesting question, Saba. When you talk about planets ...

Swinburne University of Technology provides funding as a member of The Conversation AU. Our Solar System is a pretty busy place. There are millions of objects moving around – everything from planets, ...

Seven planets will line up for a rare "planetary parade" today (Feb. 28) and you can watch it live online, beginning at 12:00 p.m. ET (1700 GMT). When you purchase through links on our site, we may ...