Why can’t we see black holes? Can we see black holes with a telescope? That’s what Tumble listener James wants to know. We explore the science of supermassive black holes and gravitational waves, with the help of astronomer Maura McLaughlin. Find out how the LIGO telescope is aiding in the search for supermassive black holes on an intergalactic collision cou ... Show More
Sep 18
Mailbag: Do Space Wormholes Exist?
In this mailbag episode, Marshall and Lindsay tackle two listener questions — whether space wormholes are real, and what a fly wing and a carrot could possibly have in common under a microscope. Plus, listener reviews and comments from China! To get an invite to the next Tumble m ... Show More
14m 58s
Sep 4
Mailbag: Why Does the Left Brain Control the Right Side of Your Body? Are Dinosaurs Reptiles or Birds?
In this final mailbag episode of Summer 2026, Marshall and Lindsay address two listener questions, and learn about a surprising twist of evolution. Plus, listener reviews and comments! To get an invite to the next Tumble meetup, as well as receive birthday shout outs and ad free ... Show More
18m 12s
Jul 2021
How Do Scientists LISTEN to Black Holes?
Did you know that you can HEAR Black Holes colliding out in space? It's true! Scientists have discovered that by listening to gravitational waves, they can actually hear a black hole, billions of miles away, colliding with another one. Don't miss this awesome chat with Dr. Eric T ... Show More
32m 15s
Jan 2024
Can one black hole eat another black hole?
Black holes are one of the strangest things in space: gravity is so strong that nothing gets out, not even light, so learning about them is a big challenge for scientists. If black holes “eat” everything around them, could one black hole eat another black hole? We talked with ast ... Show More
5m 39s
Nov 2016
Hunting for Black Holes, with Janna Levin - StarTalk All-Stars
<p>If light can’t escape from black holes, how can we observe them at all? Find out from astrophysicist Janna Levin, co-host Matt Kirshen, and Shep Doeleman, the MIT astrophysicist leading the Event Horizon Telescope project to study black hole Sgr A* at the center of our galaxy. ... Show More
49m 37s