WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

“2017 OF201 spends only 1% of its orbital time close enough to us to be detectable. The presence of this single object suggests that there could be another hundred or so other objects with similar ...

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new dwarf planet. It's called 2017 OF 201, a rock that appears to be some 700 ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

A team of astronomers have found a red dwarf star with four planets and have stated that one of them may be a viable ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers discover potential dwarf planet 2017 OF201 beyond Neptune. (photo credit: Sihao Cheng et al) The researchers said 2017 ...

A team of astronomers at the National Observatory in Brazil have found a pair of rings around an asteroid orbiting between Saturn and Uranus named Chariklo. While not as dazzling as Saturn’s rings, it ...

A potential dwarf planet has been discovered in the outer reaches of our solar system, orbiting beyond Neptune. Its presence there challenges the existence of a hypothetical body known as Planet 9 or ...