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

There are currently five dwarf planets in our solar system that scientists agree on, but astronomers think they may have ...

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

In short, a regular planet has enough gravitational pull to clear out the space around it, whereas dwarf planets do not.

Rubin Observatory has spotted a distant world beyond Pluto as its decade-long survey begins revealing the hidden solar system ...

The discovery of 2026 ED138 does not alter the official definition of a planet or change Pluto's classification.

'We haven't stopped exploring.' ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...