"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star system, and we're finding that the Kuiper Belt may be no exception!" ...

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

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects. A surprising chemical difference between Pluto and Sedna, another dwarf ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three separate bodies orbiting one another in a complex triad. This rare ...

Credit: NASA, ESA, Joseph Olmsted (STScI) NASA's Hubble Space Telescope has discovered that a system of asteroids in the distant Kuiper Belt may be triplets, not twins as previously suspected.

NASA's Hubble Space Telescope has discovered that a system of asteroids in the distant Kuiper Belt may be triplets, not twins as previously suspected. If so, the stable trio of icy space rocks ...