Pluto, the most famous dwarf planet, lost its planet status in 2006. Learn more about dwarf planets of the solar system here. NASA's Dawn spacecraft has been granted a mission extension that will ...

WASHINGTON (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, spotting it as it ...

Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system ...

Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star.

In 2006, Ceres – located in our solar system’s main asteroid belt – was officially classified as a Dwarf Planet. This title refers to a body which is smaller than a planet, with many of the same ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A new discovery may mean Planet Nine is cancelled. . | Credit: nagualdesign; Tom Ruen, background ...

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Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

Spots were speculated to be everything from alien cities to geysers. — -- Scientists have finally cracked the mystery of the unexplained lights on the dwarf planet Ceres that were speculated to ...