The Ethics of AI with Batya Friedman & Steve Omohundro

What is a gravitational wave? Janna Levin and comedian Matt Kirshen sit down with physicist Rainer Weiss to discuss LIGO, black holes, and the physics of gravitational waves.

Are alien spacecraft here on Earth? Neil deGrasse Tyson and comedian Chuck Nice discuss the UAP hearings, unexplained cosmic phenomena, dark matter, and more with astrophysicist and NASA UAP chair David Spergel.

Could we create warp drive someday? Neil deGrasse Tyson and co-host Chuck Nice team up with astrophysicist Charles Liu to dive into the science, technology, and legacy of one of the most influential sci-fi franchises of all time: Star Trek.

Could life hitchhike across planets? What color is the sky on Mars? Neil deGrasse Tyson and Bill Nye, the current CEO of The Planetary Society, team up to discuss the science and advocacy that goes into space exploration, unraveling the threads of discovery that define humanity's quest to understand the cosmos.

How do food, science, and culture collide? For the first time on podcast, we’re airing Neil deGrasse Tyson’s 2018 interview with author and food expert Anthony Bourdain in its entirety. We reflect back on our differences in taste, what food is like in Antarctica, and the importance and universality of food in our lives. (Clips of this interview originally aired January 4, 2019)