With his nondescript blazers and mild manner, astrophysicist Neil deGrasse Tyson is an unlikely radical. But make no mistake: in an age of evolution skeptics and climate change deniers, the defense of ...

Tyson and Carl Sagan's wife Ann Druyan talk about the new season, which explores possible worlds thriving within our own planet and how we can work together for a better future. Science documentaries ...

Forty years ago this fall, the late Carl Sagan began his journey towards becoming a worldwide pop culture icon and champion of science communication thanks to the PBS series Cosmos. Now, though Sagan ...

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Just the electricity in the room and the energy of everybody as they’re holding their breath, crossing their fingers, really, ...