We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

Uranus and Neptune are the two furthest planets in the Solar System and have been visited only once by human spacecraft – by ...

In ancient times, there were only five major planets, not including Earth. The classical planets are Mercury, Venus, Mars, Jupiter and Saturn, which were observed by many civilizations around the ...

This is an archived article and the information in the article may be outdated.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. (NewsNation) — Stargazers have a chance to ...

In the beginning there were five planets. Our ancestors watched them for millennia knowing they differed from the stationary stars in the heavens — they wandered. They were given names and mythologies ...