Scientists may add a new dwarf planet to the official roster of our solar system. The distant, icy body, provisionally dubbed ...

Astronomers have identified 2026 ED138, a large trans-Neptunian object beyond Pluto. Follow-up infrared observations will ...

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

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

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

As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

Researchers said the candidate, named 2026 ED138, has an estimated diameter of between roughly 370 and 930 miles (600 and 1,500 km) and orbits about 46 times farther from the Sun than Earth ...

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

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

Astronomers using the world's largest telescope have spotted a new dwarf planet candidate in our solar system, beyond the ...

A giant planet racing around an unusually hot star has caught astronomers’ attention because of its highly elongated orbit.

Astronomers using the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have found a rare disc of debris ...