The Mystery That Keeps Neil deGrasse Tyson Up At Night

There's one terrifying mystery of the universe that astrophysicist and 'Astrophysics for People in a Hurry' author Neil deGrasse Tyson loses sleep over.

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The Late Show with Stephen Colbert is the premier late night talk show on CBS, airing at 11:35pm EST, streaming online via CBS All Access, and delivered to the International Space Station on a USB drive taped to a weather balloon. Every night, viewers can expect: Comedy, humor, funny moments, witty interviews, celebrities, famous people, movie stars, bits, humorous celebrities doing bits, funny celebs, big group photos of every star from Hollywood, even the reclusive ones, plus also jokes.