Later, it was reclassified as a dwarf planet, yet its mysterious charm has not diminished at all. Why is that? Because Pluto's complex and elusive terrain is like a mysterious key that may hold the ...

Traditional theories suggest that Pluto's formation process is similar to that of other celestial bodies in the Kuiper Belt, ...

New research from NASA has found that the dwarf planet Ceres may be another place to look for evidence of primitive life in our solar system.

University of Virginia astronomy undergraduates focus on the shadows of asteroids and dwarf planets for their Earth-bound observations.

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.