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

Astronomers using the Vera C. Rubin Telescope discovered a possible new dwarf planet that, if confirmed, could join 5 others ...

Lying beyond Pluto, 2026 ED138 could be as large as 1,500 kilometers in diameter. Astronomers are still working to confirm ...

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

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

Rubin Observatory spotted 2026 ED138 between March and July 2026, tracing the path of this possible dwarf planet beyond Pluto ...

ED138 is currently about 46 times farther from the sun than Earth. Scientists say it is among the largest objects discovered ...

The object, known for now as 2026 ED138, is one of the first discoveries by the new Vera C. Rubin Observatory in Chile.

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

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

A new discovery in the outer reaches of the solar system could expand the small group of officially recognized dwarf planets.

2026 ED138 joins a tribe of potential dwarf planets on the edge of our solar system — and Rubin's astronomers are likely to ...