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 ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe. Clyde Tombaugh didn't set out to discover Pluto when he sent his ...

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 ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and ... The objects range in size, with diameters less than tens of miles to 1,500-mile ...