The Kuiper Belt is a band on the outer edge of the Solar System made up of space’s odds and ends: comets, dwarf planets, and ...

Let’s get this out of the way—any scientist studying Uranus will tell you that they’re tired of the planet being the butt of ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Uranus radiates more energy than it gets from the sun, two new studies find — just as Jupiter, Saturn and Neptune do.

SPHEREx is set to launch at Friday from California. Here are five things to know about NASA's latest advanced space telescope ...

Seven planets will line up for a rare "planetary parade" today (Feb. 28) and you can watch it live online, beginning at 12:00 p.m. ET (1700 GMT).

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the naked eye, according to Space.com and other sites that track ...

(Here's how you can see it for yourself tonight). While spacecraft, such as NASA's Voyager 1, have snapped all the planets in ...