Analysis of NASA data finds the dwarf planet has a highly dynamic environment. Phil Dooley reports.
A Kuiper Belt object on a vast elliptical 700-year orbit around the sun may give new insights into the early solar system. Bill Condie reports.
A distant, dark new world is larger than we thought, and its surface could be covered with volatile ices, a new study finds. Bill Condie reports.
The dwarf planet is a weird cross between icy Antarctica and smoggy Los Angeles. By Richard A Lovett.
Some scientists are convinced more planets exist in our Solar System. By Richard A. Lovett.