On the hunt for dark matter
Dark matter, one of cosmology’s most curious mysteries, has yet to be seen. But theorists have good reason to believe that it exists, and that galaxies, stars, and planets could never have formed without the gravitational attraction that dark matter exerts. Guest: Neil deGrasse Tyson, director of the Hayden Planetarium and host of NOVA ScienceNOW. He’s been sleuthing with some top-notch dark-matter detectives.
The World is an independent newsroom. We’re not funded by billionaires; instead, we rely on readers and listeners like you. As a listener, you’re a crucial part of our team and our global community. Your support is vital to running our nonprofit newsroom, and we can’t do this work without you. Will you support The World with a gift today? Donations made between now and Dec. 31 will be matched 1:1. Thanks for investing in our work!