StarTalk Radio

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! Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.

Every guest on StarTalk Radio

697 guests, ranked by how many people never want them back.

—
Bradley Mills

0 votes
—
Brain Greene

0 votes
—
Brandon Fibbs
The Science of Star Trek · Jun 2009

0 votes
—
Brandon London

0 votes
—
Brent Rushall

0 votes
—
Brent Spiner

0 votes
—
Brett Smiley
#ICYMI - Inside Sports Betting · Jun 2019

0 votes
—
Buddy Teevens

0 votes
—
Cam F. Awesome

0 votes
—
Carter Emmart

0 votes
—
Charles Falco

0 votes
—
Cheese Chisholm

0 votes
—
Chris Dobbertean
#ICYMI - NCAA – March Madness, Money, and Minds · 3 episodes

0 votes
—
Chris Emdin
The Science of Hip Hop with GZA (Part 2) · 2 episodes

0 votes
—
Christine Lavin

0 votes
—
Colin Wilson

0 votes
—
Colonel Thomas Colvin

0 votes
—
Craig Desjardin

0 votes
—
Craig O’Shannessy
#ICYMI - The Tennis Brain: Strategy, Analytics, Mental Game · Sep 2018

0 votes
—
Cynthia Frelund

0 votes
—
Cynthia Rosenzweig
StarTalk Live! Climate Change · Aug 2015

0 votes
—
DJ Price

0 votes
—
Dan Altman
#ICYMI - Moneyball 2.0 – Soccer Edition · Dec 2018

0 votes
—
Daniele Visioni
Changing the World (Literally) · Apr 2025

0 votes
—
Daryl Evans

0 votes
—
Dava Newman

0 votes
—
Dave Puloka

0 votes
—
David Beaudoin

0 votes
—
David Brin

0 votes
—
David Saltzberg

0 votes
—
Diana Reiss
Cosmic Queries – Interspecies Communication · Sep 2020

0 votes
—
Diandra Leslie-Pelecky
#ICYMI - NASCAR vs Formula 1 · Mar 2019

0 votes
—
Doug Vakoch

0 votes
—
Drew Drechsel

0 votes
—
Dylan Thuras
Things You Thought You Knew – Dinosaurs & Batteries · Apr 2022

0 votes
—
Ellen Staurowsky
Show Me the Money: Is it College Athlete Payday? · Feb 2020

0 votes
—
Emily Levesque
Cosmic Queries – Stargazing · Aug 2020

0 votes
—
Eric Brymer

0 votes
—
Erin Macdonald

0 votes
—
Ezra Wine

0 votes

Recent episodes

1130 episodes from the feed, newest first.

Why Do We Exist with Hakeem Oluseyi
with Hakeem Oluseyi

Sep 2026
Why Craters Are Round, Size of Life, The Real Length of Day – TYTYK
Sep 2026
This Is Your Brain on Psychedelics
with Gül Dölen

Sep 2026
Rogue Planets & Exomoons with David Kipping
with David Kipping

Sep 2026
Solving AI’s Energy Problem with Kathryn Huff
with Kathryn Huff

Aug 2026
The Hunt for Dark Energy with Jason Rhodes
with Jason Rhodes

Aug 2026
Your Inner Cosmos with David Eagleman
with David Eagleman

Aug 2026
It’s Bugs’ World and We’re Just Living In It with Jessica Ware
with Jessica Ware

Aug 2026
Super Solar Storms with Lika Guhathakurta
with Lika Guhathakurta

Aug 2026
Stars Ask Neil To Save The Universe
Aug 2026
Cosmic Queries – Planet 9
Aug 2026
Cosmic Queries – Life on Other Planets with Aomawa Shields
with Aomawa Shields

Jul 2026
Things You Thought You Knew – Your Zodiac is Wrong
Jul 2026
Finally…The Truth with Michael Shermer
with Michael Shermer

Jul 2026
Running Out of Matter with Michelle Thaller
with Michelle Thaller

Jul 2026
Getting Entangled with Sean Hodgman
with Sean Hodgman

Jul 2026
The Dreaming Brain with Matt Walker
with Matt Walker

Jul 2026
Cosmic Queries – Pure Spacetime
Jul 2026
Cosmic Queries – Astro-lore with Moiya McTier
with Moiya McTier

Jul 2026
Bug Splat Galaxies with Mordecai-Mark Mac Low
with Mordecai-Mark Mac Low

Jun 2026
Is Reality Really Real? With Donald Hoffman
with Donald Hoffman

Jun 2026
Things You Thought You Knew – Rocks Float
Jun 2026
Disclosure Day with Steven Spielberg & David Koepp
with Steven Spielberg

Jun 2026
Conquering Fear with Alex Honnold
with Alex Honnold

Jun 2026
Quasar Quirks & Sky Surveys with Matt O’Dowd
with Matt O’Dowd

Jun 2026