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 ...

Just on the outskirts of our solar system exists the dwarf planet Quaoar, and recent observations of the planet found a dense ring around it, but scientists can't figure how – or why – it's there.

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 ...

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 ...

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 ...

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 ...

If Planet 9 is real, this observatory has around a 70 to 80 percent chance of finding it, he estimates, adding that it's not a sure thing because there are so many uncertainties.