Stephen Hawking died today. What good did his science do? (Spoiler alert: Bunches.)

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NASA is building a pretty strong case for the existence of aliens, but you could be forgiven for missing the news. Amid the excitement of New Horizons‘ flyby of dwarf-planet Pluto and the incredible photos it returned, it would be easy not to…

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An artist's conception of Pluto, pre-New Horizons.

Pluto was discovered in 1930 by Clyde Tombaugh, and it was classified the 9th planet from the sun.  Until 1994, we didn’t even know exactly how big it was.  And the highest-resolution image we had of the planet was this, taken…

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