The heart's brightness arises from sunlight reflection, while red patches, formed by tholins, showcase Pluto's atmospheric ...
Decades-old pictures of Pluto’s heart are breaking the Internet again. University of Oxford's Dr Carly Howett explains the science behind the New Horizons mission and that famous 5-billion-kilometre ...
When New Horizons flew past Pluto in 2015, NASA expected a cold, cratered fossil at the edge of the solar system. Instead it revealed a world that looked alive - jagged mountains of water ice, a thin ...