Pluto will mark a birthday of sorts on March 23, 2178. No one is likely to be there to celebrate it, of course. Even if ...

Washington: NASA's New Horizons probe has settled one of the most basic questions about Pluto - its size. Mission scientists have found Pluto to be 2,370 kms in diameter, somewhat larger than many ...

The curious minds at What If imagine Earth shrinking to the size of Pluto, exploring how gravity, atmosphere, and life would be transformed on a miniature planet.