New Horizons principal investigator Alan Stern says, "Pluto is showing us a diversity of landforms and complexity of processes that rival anything we've seen in the solar system." As the craft ...

If Brown’s hidden world is real, Rubin will almost certainly find it or strong indirect evidence that it exists. “In the ...

Disney named a cartoon dog after the new planet, and for 76 years the solar system was a happy place. And then, in 2006, the ...

The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.

After passing Pluto, the craft will continue into the farthest reaches of the solar system. Scientists suspect there may be yet more moons around Pluto, some perhaps sharing or swapping orbits and ...