How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

Dwarf Planets May Finally Get Respect An international panel has unanimously recommended that Pluto retain its title as a planet, and it may be joined by other undersized objects that revolve ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Dwarf planets are worlds too small to be full-fledged planets, but too big to fit in smaller astronomical categories. Pluto, the most famous dwarf planet, lost its planet status in 2006.

Astronomers first observed the dwarf planet on Oct. 13, 2015, from the Subaru telescope at Hawaii’s Mauna […] Skip to content. All Sections. Subscribe Now. 26°F. Saturday, January 18th 2025 ...

A large asteroid could be reclassified as a dwarf planet – which could make it the smallest in the solar system – after new research revealed its shape, astronomers said on Monday.

Astrologers say that demoting Pluto to dwarf status will not make any difference, even though they were quite excited in 2006 about discovery of potential 10th planet Xena; they say that discovery ...

With a diameter of about 880 miles, the dwarf planet is about two-thirds the size of Pluto—and about three times the size of the 277-mile-long Grand Canyon—making it the 25th largest object in ...

The Jupiter-size planet orbits a type of star called a white dwarf, and hints at what our solar system could be like when the sun burns out. By Becky Ferreira When our sun enters its death throes ...

A previously unknown dwarf planet circles through the far reaches of our solar system, the International Astronomical Union’s Minor Planet Center announced Tuesday. Officially designated 2015 ...