Particle Mysteries: The Coldest Case
A podcast that takes you on a journey through the enigmatic depths of the cosmos. In this series, hosts Joseph Piergrossi, a science writer working at the German research centre DESY in Hamburg, and Blaire Flynn, a science communicator at the Canadian research facility SNOLAB, in Sudbury, will explore the mysterious and invisible force that makes up a staggering 85% of the universe – dark matter.
Episodes
It all started with Einstein. A century ago, astronomers had a giant sandbox given to them in the form of Einstein’s theories, and they tried once and for all to explain the universe with them. Instead, they found even stranger phenomena waiting for them, all of which seemed to be driven by a mysterious form of matter. Just one problem: no one could actually find it. Welcome to the mystifying world of dark matter.
There is something enormous scattered throughout the universe—so, what could it be? Scientists are dissecting the underlying clues of dark matter and discovering that their investigation is becoming increasingly complex. Explore how the study of the smallest particles intersects with our understanding of the largest bodies in the universe. Strap on your helmet, as we need to go underground for this journey.
Where there are suspects, there’s a lineup. Physicists have started to define what exactly dark matter could be through a combination of computational modeling, hints from experiments, and some good old thinking outside the box. But that has produced a wide range of potential candidates for dark matter. So let’s ask: who are you, dark matter? What do you really look like, and what are you really up to?
Popular Podcasts
Two Guys (Bowen Yang and Matt Rogers). Five Rings (you know, from the Olympics logo). One essential podcast for the 2026 Milan-Cortina Winter Olympics. Bowen Yang (SNL, Wicked) and Matt Rogers (Palm Royale, No Good Deed) of Las Culturistas are back for a second season of Two Guys, Five Rings, a collaboration with NBC Sports and iHeartRadio. In this 15-episode event, Bowen and Matt discuss the top storylines, obsess over Italian culture, and find out what really goes on in the Olympic Village.
Listen to the latest news from the 2026 Winter Olympics.
The 2026 Winter Olympics in Milan Cortina are here and have everyone talking. iHeartPodcasts is buzzing with content in honor of the XXV Winter Olympics We’re bringing you episodes from a variety of iHeartPodcast shows to help you keep up with the action. Follow Milan Cortina Winter Olympics so you don’t miss any coverage of the 2026 Winter Olympics, and if you like what you hear, be sure to follow each Podcast in the feed for more great content from iHeartPodcasts.
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com