A new dwarf planet has been discovered in the icy realms of space beyond Neptune, researchers said Monday. An international team of astronomers spotted the tiny world using the Canada-France-Hawaii ...

WASHINGTON (Reuters) - Dwarf planet Eris, similar in size to its better-known cosmic cousin Pluto, has remained an enigma since being discovered in 2005 lurking in the solar system's far reaches.

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of confirmed dwarf planets and their moons. From left to right: Pluto (with ...

January 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf planet ...

The New Horizons Pluto flyby revealed unexpectedly complex geological features on dwarf planets, prompting further investigation into the diversity within the Kuiper Belt. Several dwarf planets, ...

Ever since Pluto was fatefully downgraded from a planet to a dwarf planet, our celestial backyard has become quite semantically confounding. A newly discovered object only adds to this cosmic ...

Two recent studies, utilizing data from the James Webb Space Telescope (JWST), analyzed the spectral signatures of the dwarf planets Eris and Makemake, revealing the presence of methane containing ...

Ceres, Eris, Makemake, Haumea, and Pluto are expected to have a new friend, Hygiea, inducted into our solar system’s dwarf planet club. Hygiea was long believed to be a large asteroid in the asteroid ...