"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!" ...

If confirmed, it would mean Altjira is subject to a conundrum commonly known as the three-body problem. Floating around at the edge of the Solar System are leftovers from its formation. This is the ...

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 ...

Astronomers may have just identified a rare example of a "three-body problem" hiding in plain sight beyond the solar system's ...