The solar system's most distant planet, Neptune, is at opposition this morning at 9 A.M. EDT. Like Saturn, it is visible all ...

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

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

Sky lovers assemble! There is a lot going on in the next few days – stuff for every interest, location, and ability. We have ...

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

We — as well as the planets — are all over the place. Mars is making an unusual quincunx to mystical Neptune, causing our ...