The Kuiper Belt, a humongous region beyond Neptune filled with icy bodies and remnants from the early solar system, has long been a source of fascination. Among its many stunning and impeccable ...

Neptune, for example ... However, when analyzing planetesimals in the Kuiper belt—of which the notoriously demoted Pluto is a ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system, about 3 billion miles away from the sun. For the first time, NASA's James Webb Space Telescope has captured ...