Pluto may have a new neighbor that could change what we know about the outer solar system. Scientists have identified a massive dwarf planet candidate far beyond Neptune that could be one of the ...

A MASSIVE new potential dwarf planet has been discovered for the first time – as the surprising reason for the find is ...

To be considered a dwarf planet, an object needs to be massive enough to form a round shape under its own gravity. ED138’s ...

The Vera C. Rubin Observatory has identified 2026 ED138, a trans-Neptunian object orbiting at 46 AU that may become the solar ...

Move aside, Pluto, scientists have identified another possible dwarf planet in our solar system. Astronomers using the ...

A large object in the Kuiper Belt — a distant region of icy and rocky bodies past Neptune — appears to be a new candidate ...

Scientists using a Chile-based telescope have identified an ​icy object orbiting beyond Pluto that may join our solar ...

ED138, a newly discovered dwarf planet candidate, could join a group of only five other recognized objects that includes our ...

Learn about 2026 ED138, a new dwarf planet candidate that may be one of the largest and brightest objects discovered beyond ...

The bright object, known as 2026 ED138 for now, is among the seven largest objects identified in the outer solar system so ...

Astronomers have found a possible new dwarf planet beyond Pluto. And the remarkable thing is that they’d been photographing ...