Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't ...

Objects far beyond the Kuiper Belt Both observational instruments discovered objects located beyond the Kuiper Belt—at a ...

A new theory proposes that Pluto’s largest moon, Charon, was formed billions of years ago through a rare "kiss-and-capture" collision in the Kuiper Belt. This process involves two icy bodies ...

Kuiper Belt, well past the orbit of Neptune (artistic illustration). There may be an undiscovered planet in the outer solar system whose presence is revealed by the strange orbit of objects beyond ...

Behind the planets in the solar system is the Kuiper Belt. An inventory of similar structures around other stars shows how unusual it is. A research team has used several telescopes to take images ...

Nov. 12, 2024 — A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that ...