Jupiter, Saturn, Uranus and Neptune did not always have their current positions in the solar system. According to the ...

New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.

Uranus, a largely unexplored giant planet in our solar system, has long been a subject of scientific intrigue. Yet, despite its significance, this ice giant remains one of the most neglected planets ...

The rings around Uranus have mystified astronomers for almost half a century. Now, thanks to a combination of ground- and space-based telescopic observations, scientists think they’ve worked out where ...

Moons may seem like quiet companions to the planets, but many of them are worlds every bit as fascinating as the planets themselves. Some are covered in oceans, some erupt with lava, and others hide ...