The researchers believe that the new theory regarding Pluto’s heart could shed more light on how the mysterious dwarf planet formed. Pluto’s origins have remained murky, given that it exists ...

Ever since the cameras of NASA's New Horizons mission discovered a large heart-shaped structure on the surface of the dwarf planet Pluto in 2015, this "heart" has puzzled scientists because of its ...

At just 23 years old, Tombaugh sent his drawings ... planet with mountains, valleys and a now-iconic heart-shaped feature ...

When NASA's New Horizons spacecraft first snapped photos of an unusual heart-shaped ... add to Pluto's list of 21st century embarrassments. Its demotion in 2006 from 9th planet in the solar ...

The researchers believe that the new theory regarding Pluto's heart could shed more light on how the mysterious dwarf planet formed. Pluto's origins have remained murky given that it exists on the ...