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 ...

Pluto’s most recognizable feature is the giant, heart-shaped area in its southern hemisphere. NASA’s New Horizons mission camera only photographed this Valentine shape in 2015. Where it came from and ...

This time last year, space enthusiasts all over the world were eagerly awaiting photos of Pluto. As NASA's New Horizons spacecraft zipped toward its July 2015 flyby of the Pluto system, every image it ...

During its flyby of Pluto in 2015, NASA’s New Horizons mission captured a now iconic image of a heart-shaped feature on the dwarf planet. And new research about Pluto’s “frozen heart” has revealed ...

A 'beating heart' of frozen nitrogen controls Pluto's winds and may give rise to features on its surface, according to a new study. A "beating heart" of frozen nitrogen controls Pluto's winds and may ...

The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of astrophysicists. The team is the first to successfully reproduce the ...