Today in the history of astronomy, NASA announces our first view of the rings of Neptune.

Discover how the outer planets Uranus, Neptune, and Pluto influence generational trends, values, and collective consciousness ...

Planet Nine was previously suggested as a possible explanation for distant orbital clustering. It was thought to be ten times Earth’s mass, orbiting far beyond Neptune.

The solar system’s most distant planet sits 1.1° due north of Saturn, placing them together in a single telescopic field of view all night.