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StarTalk Radio

Neil deGrasse Tyson
Cancer
Galaxies
Electric Vehicles
Commercial Spaceflight
Psychedelics
Cancer Research
Union Of Concerned Scientists
Climate Change
Time
Precision Medicine
DNA Replication
NASA
Consciousness
Aerospace Engineering
Cosmology
Molecular Biology
PCNA
Zero Emissions
Transportation
Blue Origin

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 ... more

PublishesDailyEpisodes1094Founded17 years ago
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ScienceEducation

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Artwork for StarTalk Radio

Latest Episodes

How did the universe get to be this way? On this episode of StarTalk, Neil DeGrasse Tyson and comic co-host Chuck Nice sit down with theoretical cosmologist, Janna Levin, to help us break down the building blocks of the universe and how it started.

more

What if a microscopic alien lifeform was slowly eating our sun? Neil deGrasse Tyson and Chuck Nice sit down with Andy Weir, the bestselling author of Project Hail Mary, for a deep dive into designing aliens, science fiction, and science behind the bo... more

What happens when scientists are right and nobody wants to hear it? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly explore the frustrating history of brilliant minds who were ignored, mocked, and punished for telling the truth with science writer... more

Is our universe an inevitable outcome of the laws of physics? Neil deGrasse Tyson and comic co-host Chuck Nice sit down with theoretical physicist Brian Greene to discuss the Many-Worlds Interpretation, the structure of the multiverse, levels of infi... more

Key Facts

Accepts Guests
Accepts Sponsors
Contact Information
Podcast Host
Number of Listeners
Find out how many people listen to this podcast per episode and each month.

Recent Guests

Janna Levin
Professor of astronomy and physics at Barnard College; author
Barnard College / Pioneer Works
Episode: Cosmic Queries – Origins of the Universe, with Janna Levin
Andy Weir
Author of the novel Project Hail Mary
Author/Writer
Episode: Project Hail Mary with Andy Weir
Matt Kaplan
Science correspondent at The Economist, author of Told You So
The Economist
Episode: Told You So! with Matt Kaplan
Katie Freese
Director of the Weinberg Institute for Theoretical Physics, UT Austin
University of Texas at Austin
Episode: Dark Universe Decoded with Katherine Freese
Patricia Cornwell
Best-selling crime novelist
Author
Episode: True Crime & Forensic Pathology with Patricia Cornwell & Dr. Jonathan Hayes
Dr. Jonathan Hayes
Medical examiner for New York City; novelist
New York City Medical Examiner's Office
Episode: True Crime & Forensic Pathology with Patricia Cornwell & Dr. Jonathan Hayes
Sumit Sharma
Question contributor on space science topics
Episode: Cosmic Queries – Gravitons & Hyperspeed
David Saltzberg
Professor of Physics and Astronomy, UCLA; science advisor to The Big Bang Theory
UCLA; The Big Bang Theory
Episode: Science at Warp Speed: StarTalk Live!
Pete Holmes
Comedic guest, creator/star of Crashing
HBO / You Made It Weird
Episode: Science at Warp Speed: StarTalk Live!

Host

Neil deGrasse Tyson
Host of StarTalk Radio; Astrophysicist; Director of Hayden Planetarium

Reviews

4.7 out of 5 stars from 34.5k ratings
  • My all time favorite show

    Impossible to ignore. The best science divulging show of all times.

    Apple Podcasts
    5
    Lalasariel
    Argentina2 months ago
  • Excellent 👍🏽👍🏽

    Podcast Addict
    5
    Ren
    2 months ago
  • Other ppl may have different

    Points of view and that’s alright. Quit pushing ppl with other beliefs away. Chuck quit making fun of our president.

    Apple Podcasts
    1
    Skiboysw
    United States2 months ago
  • I am going to listen forever

    I don’t have any words to describe how good it is that ho good it is

    Apple Podcasts
    5
    Zachary was just here
    Australia2 months ago
  • Love you guys.

    Great topics, guests and very informative. The only criticism is all the guffaws. I guess y’all are happy, but it can be a bit annoying. That said, keep up the good works. So interesting!

    Apple Podcasts
    3
    jmdarri
    United States2 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Shows strong science communication, accessible explanations, and engaging guests; chemistry between hosts is a highlight.
Generally praised for humor, educational value, and guest diversity, with occasional critiques about pacing or getting sidetracked.
Some listeners feel politics or politics-adjacent banter can be off-topic or polarizing at times, which may detract for a subset of viewers.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

Exploring Hidden Dimensions with Brian Greene
Q: What is the current state of string theory, and why hasn't it made a testable prediction yet?
String theory has yielded deep theoretical insights and mathematics, notably in black holes and quantum gravity, but it has not yet produced a testable prediction at accessible energy scales, so its status is healthy but not conclusively proven.
Told You So! with Matt Kaplan
Q: When did science begin to tear free from religious or established authority, and what does that mean for modern science?
It started with figures like Galileo during the Renaissance, who used observation and reason to challenge accepted beliefs, establishing a model where evidence guides conclusions even when it clashes with authority.
Cosmic Queries – Origins of the Universe, with Janna Levin
Q: What is string theory in two sentences?
In the microscopic universe, fundamental particles may actually be tiny loops of string, vibrating in different harmonics; those harmonics give rise to different particles, so all matter and forces may be manifestations of one fundamental string.
Cosmic Queries – Gravitons & Hyperspeed
Q: If galaxies are moving apart due to cosmic expansion, how will the Milky Way and Andromeda collide in the near future?
Nearby galaxies feel each other's gravity despite the universal expansion, so they can collide; Andromeda will likely collide with the Milky Way in about seven billion years due to their mutual gravitational attraction overcoming the expansion at that scale.
Is the Universe a Math Problem? With Terence Tao
Q: What role does pedagogical style play in mathematics education?
Both Tao and Mecurio agreed that emotional connection and passion from educators significantly impact how students grasp mathematical concepts.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About StarTalk Radio

What is StarTalk Radio about and what kind of topics does it cover?

This show blends science with pop culture and humor, featuring astrophysicists, researchers, and comedians who explain complex topics in accessible ways. Across episodes, listeners are treated to deep dives into physics, cosmology, AI, and space exploration, often tied to contemporary media, technology, and current events. The format typically balances rigorous science with entertaining banter, guest expertise, and relatable demonstrations, making high-level ideas approachable for curious non-specialists while still offering depth for seasoned enthusiasts. Noteworthy strengths include a strong host pair known for clear explanations and engaging banter, frequent expert guests from academia and industry, and a lively mix of sci‑fi references,... more

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How many listeners does StarTalk Radio get?

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To see how many followers or subscribers StarTalk Radio has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.

How many episodes of StarTalk Radio are there?

StarTalk Radio launched 17 years ago and published 1094 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on StarTalk Radio?

Recent guests on StarTalk Radio include:

1. Janna Levin
2. Andy Weir
3. Matt Kaplan
4. Katie Freese
5. Patricia Cornwell
6. Dr. Jonathan Hayes
7. Sumit Sharma
8. David Saltzberg

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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