Learn what makes a dwarf planet, which worlds beyond Neptune are officially recognized, and why distant objects like Quaoar remain candidates.

The Vera Rubin Observatory has detected a possible new dwarf planet orbiting the Sun beyond Neptune, marking a potentially ...

An object orbiting well beyond the reaches of Pluto may not only be the latest dwarf planet discovered in Earth's solar ...

Astronomers analyzing data from the Vera C. Rubin Observatory in Chile have identified a massive candidate world orbiting ...

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

Astronomers using the Vera C. Rubin Observatory have spotted a possible icy dwarf planet far beyond Pluto, provisionally ...

Astronomers have identified 2026 ED138, a large, icy object orbiting beyond Neptune that could become one of the largest ...

A Closer Look at the Solar System's Youngest Planets ...

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

Scientists have discovered a possible new dwarf planet in our solar system, farther out than Pluto. (Photo: Vera C. Rubin ...

Astronomers have identified a distant object beyond Neptune, and it could classify as a dwarf planet, like Pluto.

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