Shep Doeleman

Oct. 05, 2012

How Astronomers Measured the Edge of a Black Hole

The black hole resides at the center of a galaxy located 50 million light-years from Earth.

black holes, cosmology, astronomy, space, galaxy, event horizon, gravity

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Michael Pollan Talks Plants and Food

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All About Exercise

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Myths and Tips on Keeping Your Cool This Summer

Think caffeine dehydrates you? Or that you can't get too much water on a hot day? Douglas Casa, of the Korey Stringer Institute, sets the record straight.

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