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.

Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

NASA’s most recent photos of Pluto, captured by the New Horizons spacecraft, have revealed some of the most intriguing and ...

For decades, Pluto was thought to be just another frozen rock spinning around the Sun, far from the action and mystery of the ...

U.S. and state officials say the consolidation of the public health agency’s vast trove of information could expose patients ...

James Webb Space Telescope observations suggest Pluto’s atmosphere is unlike any other in the solar system, confirming a 2017 ...

Pertussis infections have surged in recent months, and some people may need an additional shot for protection.

With an ice cream/pizza parlor, a tumble gym and an arcade filled with games, Levity aims to provide something for everyone ...