Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

Planet Nine should appear stationary over the course of a single day but show detectable movement over months.

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

Planet Fitness will join a revitalized shopping center that recently added Aldi and Tesla. Leaving its former space makes ...

Theories about Planet Nine have been swirling for years, but this newly discovery planet might put those theories to bed for good.

Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare sednoid with a unique orbit that challenges the Planet Nine ...

Astronomers have long speculated about the existence of a mysterious planet lurking far beyond Neptune, a world several times ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

Oprah Winfrey Opens Her Private Road in Maui for Tsunami Evacuation as Waves Hit U.S. West Coast and Hawaii After Earthquake ...

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...