For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

New Dwarf Planet Candidate Challenges What We Know About Space. Story by Ruta Kulkarni • 2h. S cientists have recently spotted a huge object far away in the cold outer reaches of our solar system.

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 years to complete one orbit around the sun. The object, known as 2017 ...

Scientists have discovered a new dwarf planet candidate far beyond Pluto in the solar system. Its existence could mean there's no Planet 9.

But Sam Deen, a 23-year-old amateur astronomer from California, has already been able to track the dwarf planet candidate through old datasets. "OF201 is, in my opinion, ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

According to a preprint paper that has not yet undergone peer review, the researchers found a dwarf planet candidate they've since dubbed 2017 OF201.

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 ...