How Sputnik Planitia formed remains unknown, but researchers have now painted a possible picture of its origins. It's ...

Simulations show that a slow, shallow impact formed the western half of Pluto's heart - and also shed light on the dwarf ...

Astronomers believe a planetary body collided with Pluto early in its history to create a gigantic heart-shaped feature on ...

The large heart-shaped region may have formed after a massive but slow-moving object collided with Pluto at a strange angle.

According to the research, Pluto's early history was marked by a cataclysmic event that formed this sweet, stellar, rocky ...

Planetary scientists propose an alternative theory to explain why Sputnik Planitia has stayed put across Pluto’s equator.

Pluto’s most recognizable feature is the giant, heart-shaped area in its southern hemisphere. NASA’s New Horizons mission ...

Through computer models, the team learned that a collision in Pluto's ancient history, before it was fully formed, could have ...

The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of ...

New research suggests that Pluto's mysterious heart-shaped region is the result of a massive smash with another planetary ...

Poor old Pluto. Downgraded from a bonafide planet to a dwarf, and now it’s most iconic beauty spot has been given a most ...

After the first 3 billion miles of New Horizons probe's journey to Pluto in 2015, a new study finally reveals the secret ...