Add Yahoo as a preferred source to see more of our stories on Google. A huge heart-shaped feature on the surface of Pluto has intrigued astronomers since NASA’s New Horizons spacecraft captured it in ...

No more pussyfooting around. It's official: Pluto has 14 new place names. Most we suspected would be there, but a few are new. Pluto's "heart" now bears the name of American astronomer Clyde Tombaugh, ...

This latest photo of a new mountain range discovered in Tombaugh Regio, shows a wonderful diversity of landscapes. First mountains but also craters, ice flows (at right), squiggly terrain (center) and ...

A huge heart-shaped feature on the surface of Pluto has intrigued astronomers since NASA’s New Horizons spacecraft captured it in a 2015 image. Now, researchers think they have solved the mystery of ...

Researchers think they have solved the mystery of how the distinctive heart came to be — and it could reveal new clues about the dwarf planet’s origins Researchers think they have solved the mystery ...