Pluto was last and least of them. An icy dwarf only half the size of the United States, it was on average 3.7 billion miles from the sun. It also has a decidedly strange orbit that was highly ...

Far from being flat and boring, Pluto seemed to be full of mountains, plains and maybe even "snow". By measuring the size of the shadows, we could estimate the height of these peaks at over 4,000m ...

Being heartbroken for 2 months fades in comparison to Pluto’s heart that has been broken ... roughly twice the size of Switzerland from east to west, that likely crashed into Pluto at a slanted ...