PBS Space Time
Hosted by PBS Space Time
An astrophysicist hosts a video essay series that explains complex topics in cosmology and quantum mechanics, from black holes to the Big Bang.
A solo-hosted video essay series that delves into the formal, mathematical, and often paradoxical concepts of modern physics. Rather than simplifying for a pop-science audience, the show uses detailed animations and scripted explanations to walk viewers through the theoretical underpinnings of subjects like general relativity, quantum field theory, and cosmology.
“Unlike many science shows, PBS Space Time doesn't shy away from the complex and counter-intuitive nature of its subjects. It stands out by exploring the 'why' behind the physics, including the history of ideas and the unresolved paradoxes that drive scientific inquiry, such as the teleological nature of event horizons.”
Who hosts this show
Matthew O'Dowd is an Australian-born astrophysicist and the host of PBS Space Time. He is an Associate Professor in the Physics and Astronomy Department at Lehman College, City University of New York (CUNY), and holds a research associate position at the American Museum of Natural History. O'Dowd earned his Ph.D. in astrophysics from the University of Melbourne and focuses his research on quasars, gravitational lensing, and supermassive black holes, using data from observatories like the Hubble Space Telescope.
Credentials & credits
- Ph.D. in Astronomy and Astrophysics, University of Melbourne
- Associate Professor, Department of Physics & Astronomy, Lehman College (CUNY)
- Research Associate, Department of Astrophysics, American Museum of Natural History
- Deputy Executive Officer, Ph.D. program in Physics, CUNY Graduate Center
Other ventures
- Guest on StarTalk radio with Neil deGrasse Tyson
- Guest on Science Goes to the Movies (CUNY TV)
- Black Rock Observatory (crew member)
What kind of podcast
- Country
- United States
- Region
- usa
When new episodes drop
- 01We Thought Black Holes Created Event Horizons. It Might Be the OppositeJun 18, 2026 · 20 min
- 02We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change. . .Jun 4, 2026 · 21 min
- 03We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang.May 21, 2026 · 17 min
- 04We Found Galaxies Too Old for the UniverseApr 30, 2026 · 20 min
- 05Earth’s Core Should Be Impossible. A New State of Matter Explains It.Apr 16, 2026 · 18 min
- 06Something Disturbing Happens When You Solve Einstein's Equations This WayApr 2, 2026 · 16 min
Notable episodes
- 01We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang.
This episode provides a clear explanation of the Planck star theory from Loop Quantum Gravity as a potential solution to the black hole singularity and information paradox problems.
- 02We Thought Black Holes Created Event Horizons. It Might Be the Opposite
It tackles the deeply counter-intuitive and formal definitions of event horizons, distinguishing between the 'true' and 'apparent' horizon and explaining the concept's dependence on the future history of spacetime.
- 03We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change. . .
This episode details the evolution of SETI, introducing the modern strategy of 'Commensal SETI' which leverages massive astronomical surveys like the Vera C. Rubin Observatory.
- 04We Found Galaxies Too Old for the Universe
Addresses a major, ongoing cosmological puzzle presented by recent findings from the James Webb Space Telescope, exploring the conflicting potential solutions.
What you'll be asked on this show
The format is a scripted monologue delivered directly to the camera by host Matt O'Dowd. Each episode is heavily reliant on high-quality animations, on-screen text, and diagrams (like Penrose diagrams) to visualize abstract theories. Episodes typically begin with a hook or a puzzling question before diving into the core explanation, and often include segments promoting Patreon and merchandise.
Questions PBS Space Time keeps coming back to
- “What is the formal definition of [a concept like an event horizon]?”
- “Where and when does [a phenomenon] exist?”
- “Why do we still see [observation] if [theory] is true?”
- “Why don't we see the flashes of energy expected from [a theoretical event]?”
- “What are we really looking for when we search for [a phenomenon like alien life]?”
- “How do you pick out potential signals from massive amounts of data?”
Signature segments
- · Animated intro sequence with 'Space Time' logo
- · Patreon and merchandise promotion segments
- · Use of Penrose diagrams to explain spacetime
- · On-screen 'DATA PROOF' graphic to encourage engagement
Topics covered repeatedly
Who gets booked here
The show does not feature live interview guests. Instead, it frequently cites the work and theories of historical and contemporary physicists like Stephen Hawking, Carlo Rovelli, and Frank Drake to frame its explanations.
Where to find this show
Audience & reach
The show is funded through a mix of direct-to-consumer brand sponsorships (e.g., Babbel, Displate, Novium), viewer support via Patreon, and sales from its own merchandise store which features apparel and accessories with inside jokes and concepts from the show.
Subscriber and view counts are pulled live from YouTube and re-verified on a 30-day cycle. Listener estimates for the RSS feed aren't published here unless they're host-verified.
Pitch PBS Space Time
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People also ask
- Who is the host of PBS Space Time?
- The host is Dr. Matthew O'Dowd, an astrophysicist who is an Associate Professor at Lehman College (CUNY) and a research associate at the American Museum of Natural History.
- Is PBS Space Time still active?
- Yes, the show releases new episodes on YouTube approximately every two weeks.
- What is the format of the show?
- It is a solo-hosted video essay series where Matt O'Dowd explains complex topics in physics and astronomy, heavily supported by animations and graphics.
- Does the show have interview guests?
- No, PBS Space Time does not feature interviews. It is a scripted show that explains scientific concepts, though it often references the work of other scientists.
- Where can I watch PBS Space Time?
- The primary platform is the PBS Space Time YouTube channel. Episodes are also available to stream on pbs.org and the PBS app.
- How can I support the show?
- You can support the show through its Patreon, which provides access to a Discord community, or by purchasing items from the official merchandise store.
Built from the show's public RSS feed, YouTube, the host's own websites, and the cited sources below. Computed and AI-extracted fields are labelled. Facts only — no private info, no fabrication, no transcripts republished.
Sources & how this page was built
This page is AI-assisted, grounded in the public sources cited below, and host-verifiable. We publish facts only; we do not republish transcripts. If anything here is wrong, the host can claim and correct the page above.Model: gemini-2.5-pro · high confidence
- [01]Matthew O'Dowd | Lehman Collegelehman.cuny.edu
- [02]Matthew O'Dowd | AMNHamnh.org
- [03]Matt O'Dowd (astrophysicist) - Wikipediaen.wikipedia.org
- [04]PBS Space Time Official Websitepbsspacetime.com
- [05]PBS Space Time YouTube Channelyoutube.com
- [06]Matt O'Dowd: HOME (Personal Website)matt-odowd.com
- [07]Matthew O'Dowd J. - CUNY Graduate Centergc.cuny.edu
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