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

WASHINGTON, May 30 (Reuters) - Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet ...

The astronomical union has only officially recognized five dwarf planets: Pluto, Eris, the large asteroid Ceres and two other objects beyond Neptune, Haumea and Makemake.

So many unexplored secrets still lie at the outskirts of our solar system, where a potential candidate for a new dwarf planet lies. Although space beyond Neptune was thought to be mostly devoid of ...

Credit: IAA-CSIC/ UHU Orbiting the sun from far beyond planet Neptune, the recently discovered planetoid Haumea is a fast-spinning elongated object, completing one rotation every four hours. Now, ...

There's been no discussion yet as to whether Haumea will be kicked out and another brought in, or if the definition of planets and dwarf planets could be changed again. A proposal at the latest ...

From New York City, per , Haumea will become visible in the night sky at 8:49 p.m. EDT (0049 GMT on April 21) and will remain so until dawn, when the sun's light will overpower the dwarf planet.

SHEFFIELD, United Kingdom — If you think the controversy over calling Pluto a planet is the only thing happening at the edge of our solar system, think again! Researchers say there’s a unique dwarf ...

Even dwarf planets like Chariklo and Haumea have rings. "What makes Quaoar’s ring unique, however, is where it is found relative to Quaoar itself," the agency said.

NASA scientists used computer models to trace the origins of the fast-spinning dwarf planet Haumea. Scientists from NASA have uncovered the mysterious history of one of the solar system's weirdest ...