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.

Astronomers using the James Webb Space Telescope have peered into a mysterious, blue haze cloaking the surface of Pluto — and ...

The 150-million-year-old specimen is valued at up to $6 million by Sotheby’s. Some paleontologists worry this auction and ...

Health authorities recommend wearing long pants and long sleeves when you might be exposed, and tucking your shirt into your pants and your pants into socks or boots. Repellents containing DEET are ...

Astronomers have uncovered a distant celestial body that may be a new dwarf planet, orbiting the Sun from more than twice the distance of Pluto. Found by researchers at the Institute for Advanced ...