For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

The discovery challenges the Planet Nine hypothesis, which suggests a massive, unseen planet is influencing the orbits of distant TNOs. While most extreme TNOs show a clustered pattern that supports ...

MEMPHIS, Tenn. (WMC) - The courts have partially approved a motion to dismiss in the case of an inmate’s death in 201 Poplar. According to court documents, defendants in the case of the death of ...

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth's and ...

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 ...

Breast cancer is the most common cancer in women in the United States, except for skin cancers. It accounts for about 30% (or 1 in 3) of all new female cancers each year. The American Cancer Society's ...

They say the orbit of the possible dwarf planet named 2017 OF201 takes 25,000 years to complete one trek around the Sun. Its exact size has yet to be determined, but it is estimated to be about ...

This icy world, temporarily named 2017 OF201, could be a distant cousin of Pluto — and scientists mean "distant" quite literally. At its farthest point, it's more than 1,600 times the distance of ...

Images of dwarf planets: NASA/JPL-Caltech; image of 2017 OF201: Sihao Cheng et al. Scientists have discovered a mysterious new object far beyond Neptune, and it could be one of the most distant ...

The celestial body, designated as 2017 OF201, ranks among the largest distant objects ever detected, providing fresh insights into the Kuiper Belt and the remote regions of our planetary system. The ...