The combined power of three space observatories, including NASA’s Hubble Space Telescope, has helped astronomers uncover a moon orbiting the third largest dwarf planet, catalogued as 2007 OR10. The ...

It's time to have a talk about dwarf planets. Everyone's always acting like Pluto's demotion is a horrible thing, and now we find out that the dwarf planet 2007 OR10 is the largest unnamed object in ...

Dwarf planets tend to be a mysterious bunch. With the exception of Ceres, which resides in the main asteroid belt between Mars and Jupiter, all members of this class of minor planets in our solar ...

In the far reaches of the solar system, beyond Neptune, there is a minor planet orbiting the sun in a sea of icy debris. Humans have known about the reddish, round object for more than a decade. Since ...

(CNN) — It’s been more than a decade since the largest minor planet in our solar system was discovered. Yet it has remained nameless, apart from the identifier 2007 OR10. The three astronomers who ...

An illustration lines up the solar system’s four largest dwarf planets, with 2007 OR10 in the middle of the pack. (Credit: Andras Pal / Konkoly Observatory, Ivan Eder / Hungarian Astronomical ...

More than a decade ago, scientists discovered a minor planet in the outer reaches of the solar system, which was assigned the name (225088) 2007 OR10 by default. Fast forward to the present, and the ...

It’s been 10 years since the largest unnamed minor planet in our solar system was discovered. Yet it has remained nameless, apart from the identifier 2007 OR10. The three astronomers who discovered it ...

Another dwarf planet at the edge of the Solar System has been found to have a small companion moon. The world, named 2007 OR10, is the third largest dwarf planet that we know about — around 955 miles ...

You could help choose the name for a new planet. Astronomers have asked for help naming 2007 OR10, a planet discovered nearly a dozen years ago. On July 17, 2007, astronomers discovered the minor ...

A majority of dwarf planets lie tucked away in the depths of our solar system. A handful have been identified in the last decade thanks to new technology, but many remain a mystery, undiscovered by ...