The Keck Observatory and NASA’s Hubble Space Telescope may have uncovered a "potential three-body system in the Kuiper Belt," ...

The Kuiper Belt, a vast region beyond Neptune, has long been a source of intrigue for astronomers and space enthusiasts.

NASA launched New Horizons to explore Pluto. In 2019, it visited the furthest object in the Solar System we have seen up ...

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

SpaceX launched the third batch of satellites for Amazon's Project Kuiper broadband megaconstellation early on Wednesday ...

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

The Kuiper Belt is an elliptical plane in space spanning from 30 to 55 times Earth's distance from the sun, or 2.5 to 4.5 billion miles (4.5 to 7.4 billion kilometers).

The Kuiper Belt is home to Pluto and thousands of other worlds of varying size. Most of the bodies there are made from the building blocks of our solar system, long since cordoned to distant cold ...

Pluto and some other known dwarf planets meet the first two criteria but not the third because they orbit in the Kuiper Belt, a region beyond Neptune filled with small icy debris. When Pluto was first ...