Dark Comets with Darryl Seligman

Are all the galaxies orbiting a superstructure in the middle of the universe? Neil deGrasse Tyson and comic co-host Chuck Nice are reaching into the grab bag to cover questions from absolute zero to the nature of gravity, and much much more. NOTE: StarTalk+ Patrons can listen to ... Show More

Are seed oils really that bad? Are people getting enough protein? Neil deGrasse Tyson, Paul Mecurio, & Gary O’Reilly cut through the noise on health myths, food misinformation, and the forces making it harder than ever to eat well with nutrition scientist, Jessica Knurick, PhD. N ... Show More

Could the ingredients for life have arrived on asteroids? Neil deGrasse Tyson and comic co-host Chuck Nice unpack what the sample collected from asteroid Bennu is teaching us about the origins of life itself with Harold Connolly, geologist and mission scientist for OSIRIS-REx. NO ... Show More

Astronomy Cast Ep. 768: Comets' Unpredictability By Fraser Cain & Dr. Pamela Gay Streamed live on Oct 13, 2025. So it's been decades since we've seen a bright comet in the sky. And actually there was a pair — Hale-Bopp and Hyakutake. And then, silence! And unmet promises by the U ... Show More

The Gaia spacecraft stopped collecting data this January after about 11 years and more than three trillion observations. Senior space and physics editor Lee Billings joins host Rachel Feltman to review Gaia’s Milky Way–mapping mission and the tidal streams, black holes and astero ... Show More

Scientists now agree that COVID spreads via airborne transmission. But during the early days of the disease, public health officials suggested that it mainly did so via close contact. The subsequent back-and-forth over how COVID spread brought science journalist Carl Zimmer into ... Show More

A paper published by the Centers for Disease Control and Prevention argues that Chagas disease is now endemic in the U.S. Koalas may finally be spared from a deadly epidemic. Meanwhile NASA’s Perseverance Mars rover has uncovered tantalizing clues about potential ancient microbia ... Show More

Can you slow down time by hurtling through space at breakneck speed? Could listener Saskia’s friend - currently one year older - end up the same age as her if he went fast enough? It sounds bananas, but it’s all part of Einstein’s mind-warping theory of relativity.With expert cop ... Show More

Neil deGrasse Tyson is an astrophysicist, author, and science communicator known for making the cosmos accessible and captivating to the public. As the director of the Hayden Planetarium and host of shows like Cosmos and StarTalk, he blends deep scientific insight with cultural r ... Show More

What is light? How has it shaped our understanding of the universe, our biology, and even our culture? In this illuminating episode Brian Cox and Robin Ince shine a spotlight on the fascinating science and history of light. From sun and circadian rhythms to the dazzling complexit ... Show More

Bill Nye joins Rachel, Claire, and Eleanor on the show this week. Facts range from how pigeon poop led to the verification of the big bang to why your brain ignores gorillas and killer clowns lurking right in front of you. Whose story will be voted "The Weirdest Thing I Learned T ... Show More

AFTERBUZZ TV — Cosmos: A Spacetime Odyssey edition, is a weekly "after show" for fans of Fox's Cosmos: A Spacetime Odyssey. In this episode host JC Rubio breaks down the episode in which the first season concludes with a profile of Swiss astronomer Fritz Zwicky (1898-1974), a pio ... Show More