A new program has discovered chaos in a nearby planetary system, which could explain the existence of a phenomenon ...

Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

Neptune is one of the most mysterious planets in our solar system, with its deep blue color, intense storms, and extreme winds. When Voyager 2 flew past Neptune in 1989, it revealed jaw-dropping ...

In this quiz, you'll test your knowledge of Neptune's features, moons, and the science that keeps astronomers fascinated.