Our solar system used to have nine planets. Astronomer Mike Brown, also known as “the man who killed Pluto,” said he got hate mail from kids and obscene calls at 3 a.m. for years after his ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Left to right: Saturn, Uranus, and Jupiter show off their rings for various NASA spacecraft ...

Beyond our solar system, there’s a whole selection of planets unlike anything we see around the Sun. In the cosmic candy shop, there are Ring Pops (less magnificent versions of Saturn), Hot ...

Rings around planets like Saturn, Uranus, and Neptune are well-studied and, for the most part, understood. But a dwarf planet boasting a ring of its own is definitely pretty weird, if only because ...

None of the rocky planets in our Solar System — Mercury, Venus, Earth and Mars — have rings. Can you picture Earth with a ring system, though? Think of what ...

Recent telescope data revealed that a small planet in the far reaches of our solar system has a dense ring round it. And scientists are baffled as to why. The planet, Quaoar, is one of roughly ...

Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar ...