Astrophysicist and science communicator Neil deGrasse Tyson spills on his obsession with aliens and the best and worst Hollywood depictions of them.

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Neil deGrasse Tyson has turned his lifelong fascination with aliens into a new book, “Take Me to Your Leader: Perspectives on Your First Alien Encounter.” ...

NPR's Scott Simon asks astrophysicist Neil deGrasse Tyson about his latest book, "Take Me to Your Leader." ...

Neil deGrasse Tyson, who for years has laughed off and shot down questions about UAP and aliens, is ready to talk at length about the phenomenon - and wants to see some real proof after the latest ...

In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with alien visitation.