Pluto’s heart-shaped scar may offer clues to the frozen world’s history
How Pluto's Sputnik Planitia formed remains unknown, but researchers have imagined a body about the size of Switzerland crashing into Pluto at a shallow angle.
NASAJohns Hopkins University Applied Physics LaboratorySouth
Pluto’s huge white ‘heart’ has a surprisingly violent origin, new study suggests
Tombaugh Regio — the large, pale heart that dominates Pluto's terrain — is made of nitrogen ice that accumulated after a huge, slow-motion impact, new research suggests.
The James Webb Space Telescope is digging deep into the mysteries of gas planets
Scientists are slowly getting to the bottom of how some of the universe's most mind-bending worlds came to be.