The evidence for it that hunters have long clung to is how six objects – dwarf planets and icy balls – have been discovered in the vastly empty outskirts of the solar system. Bizarrely ...

The Kuiper Belt is a massive ring composed of interstellar objects such as dwarf planets, asteroids, carbon masses and icy volatile elements like methane and ammonia. The celestial scrapyard sits ...

Now, a U.S.-based trio hunting the elusive world has instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches. And the existence of the new kid on the block ...

It's almost like a stellar toddler sometimes gets into a bad mood and takes it out on a nearby stress ... red dwarf star named AU Microscopii is absolutely tormenting one of its very own planets ...

IAU members decided that there were three criteria to be a planet — and Pluto didn't meet all of them. But planetary scientist Wladymir Lyra says that even though it was downgraded to a dwarf ...

New telescope data has revealed that a dwarf planet in the outer reaches of the solar system has a dense ring around it, leaving scientists and astronomers confused as to why. Scientists at the ...

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

A color-enhanced view of Ceres, the nearest dwarf planet to Earth, high­lights its Oc­ca­tor crater. Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA Pluto is the most famous dwarf planet ...

In fact, Ceres makes up 25% of the total mass of the asteroid belt. Still, Ceres remains a dwarf planet. Perhaps as it should, given Pluto's relegation to dwarf planet — Pluto is 14 times larger ...