Untangling the Cosmic Web

How do we calculate a black hole's event horizon? Does Mercury's tail impact Earth? Can we name a planet Rupert? And did gravity wipe out the dinosaurs? Izzie Clarke & Dr Becky Smethurst dive into the rather whimsical Supermassive Mailbox to answer your questions.Want to name an ...  Show more

Izzie & Dr Becky think that space needs a spring clean, so this episode is all about space debris. What is it? How big of a problem is it? And what is being done to remove it? With thanks to PhD student Megan Perks from the University of Southampton, who studies how safe all thes ...  Show more

Dark energy is the strange stuff that makes up the vast majority of the universe and will ultimately lead to the end of everything. Unless it doesn't exist at all. Guests: Adam Riess, astrophysicist at Johns Hopkins University, and Nathalie Palanque-Delabrouille, director of the ...  Show more

John has launched a new podcast project with Katie Mack! Crash Course Pods: The Universe is a new limited series podcast where Dr. Katie Mack, a theoretical astrophysicist, walks John Green through the history of the entire universe - including the parts that haven’t be ...

What's so special about Wolf-Rayet stars? Do we even know how they work? And what does this all have to do with Paris? I answer these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutt ...

Is anything real? Is time just a construct? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen answer your far-out questions about black holes, dark matter, and the universe with astrophysicist Janna Levin. 

(Originally Aired Tuesday, March 8 2022)