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.

For the second straight summer, Michael La Sasso and Caitlyn Macnab will represent the Rebels at the 2025 Arnold Palmer Cup, June 5-7 in Ridge ...

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 ...

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 ...

Astronomers announced the discovery of a new dwarf planet, provisionally named 2017 OF201, located in the remote outskirts of ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond Neptune, it orbits the sun every 25,000 years.

Images of dwarf planets. Credit: NASA/JPL-Caltech; image of 2017 OF201: Sihao Cheng et al. Astronomers have discovered a strange and distant object orbiting far beyond Neptune, raising new ...