Solar System

Scientists detect an unexpected atmosphere on a small icy body beyond Pluto, challenging models of how atmospheres form on distant solar system objects.

Astronomers have found evidence suggesting a mysterious object beyond Pluto in the Kuiper Belt may possess an atmosphere, potentially reshaping understanding of distant solar system bodies.

Astronomers believe they have detected an atmosphere around a small icy world beyond Pluto for the first time, a finding that could reshape our understanding of objects at the edge of the solar system.