On July 14, NASA’s New Horizons (http://www.nasa.gov/newhorizons) spacecraft will fly past Pluto, offering the first close-up look at that small, distant world and ...

The accretion of new material during Pluto’s formation may have generated enough heat to create a liquid ocean that has persisted beneath an icy crust to the present day, despite the dwarf planet’s ...

There’s been a fierce debate over the past two decades about the status of the distant icy world of Pluto after it was contentiously stripped of its planethood and reclassified as a dwarf planet. Nasa ...

We have to name stuff. If we didn't, we wouldn't know what we're talking about. When Pluto and its moons were essentially pinpoints, we got along with the bare bones. Not anymore. Every new solar ...

The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of astrophysicists led by the University of Bern and members of the National ...

A new formation theory for Pluto's moon Charon could explain why Pluto is geologically active. Illustration incorporates NASA New Horizons terrain imagery. Pluto — demoted to dwarf planets status in ...