Open on YouTube

Audience and activity

Subscribers3.5M
Views per video1.0Mmedian of the last 30
Views per subscriber0.30how many actually watch
Comments per video4.2Kmedian
Uploads per month2.2
Last upload27d ago2026-09-10
Total views554M
Total videos449
Long-form / Shorts100% / 0%

Counts come from the YouTube Data API and are refreshed regularly; medians are computed from the channel's last 30 videos.

What PBS Space Time makes

Topics astrophysics, space, cosmology, black holes, quantum mechanics

Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth with our astrophysicist host: Matthew O’Dowd. For all business inquiries and sponsorship opportunities please reach out to: [email hidden] Matt O'Dowd spends his time studying the universe, especially really far-away things like quasars, super-massive black holes, and evolving galaxies. He uses telescopes in space to do it. Matt completed his Ph.D. at NASA's Space Telescope Science Institute, followed by work at the University of Melbourne and Columbia University. He's now a professor at the City University of New York's Lehman College and an Associate at the American Museum of Natural History's Hayden Planetarium. Previous host Gabe Perez-Giz is an astrophysicist who studies black hole physics. He received his Ph.D. from Columbia University and also hosted PBS Infinite Series.

Features other people

Recent videos

TitlePublishedViewsLength
So You Want to Understand Quantum Mechanics…2026-09-101.3M129 min
JWST May Have Discovered a New Cosmic Object: The Black Hole Star2026-08-272.7M15 min
There's Something Massive Hiding Behind the Galaxy's Strangest Star2026-08-13811K17 min
We Thought All Black Holes Came From Stars. We May Have Been Wrong.2026-08-04845K19 min
The Universe Has Been Expanding Since the Big Bang. Just Not How We Thought.2026-07-16561K19 min
The Quantum Experiment That Breaks Time2026-07-02504K18 min
We Thought Black Holes Created Event Horizons. It Might Be the Opposite2026-06-18998K20 min
We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change. . .2026-06-04787K21 min
We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang.2026-05-212.1M17 min
We Found Galaxies Too Old for the Universe2026-04-301.5M20 min

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