Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the edge of our solar system. So many unexplored secrets still lie at the ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Our galaxy is full of strange worlds, but what would happen if we could bring some of them into our own Solar System? Moving ...

Add Yahoo as a preferred source to see more of our stories on Google. Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities. These ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A team of astronomers believe they may have discovered a new dwarf ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because of its distance beyond Neptune, is classified as a trans-Neptunian object ...

WASHINGTON, May 30 (Reuters) - 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 ...

CNN — A large asteroid could be reclassified as a dwarf planet -- which could make it the smallest in the solar system -- after new research revealed it's shape, astronomers said on Monday. Nestled in ...

The solar system could be destroyed much sooner than we thought, scientists say - Outer planets could be thrown out into the ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...