If something is possible, has the universe tried it? Are all physical possibilities inevitable? Neil deGrasse Tyson sits down with theoretical astrophysicist Janna Levin to launch “In Theory,” a new StarTalk series celebrating the weird, wacky theories of the universe and the theorists who chase them. Out on YouTube October 29, 2026!

Spooky Science with Mary Roach

Science, pop culture, and comedy collide on StarTalk Radio! Neil deGrasse Tyson, astrophysicist and Director of New York's Hayden Planetarium, and his comic co-hosts, guest celebrities, and scientific experts explore astronomy, physics, and everything else there is to know about life in the universe. New episodes premiere Tuesdays. Keep Looking Up! 

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