How to make a Milky Way: the ultimate galacti...

David Kaiser thinks a good place to hunt for tiny black holes might be… Mars? How do you detect something microscopic, invisible, and speeding through space? Primordial black holes have long eluded astrophysicists—if they exist at all. But the hunt is heating up. David joins Hake ...  Show more

David Kaiser thinks tiny black holes from the dawn of time could be the solution to the dark matter puzzle. David joins Hakeem to discuss primordial black holes, tiny objects that may have formed in the first fraction of a second after the Big Bang. First proposed by Stephen Hawk ...  Show more

This year marks the 400th anniversary of Galileo’s use of the first telescope. On this week’s show, we reflect on how telescopes have shifted our perspective on how small we are in size, space, and time. We also discuss how they help astronomers discover new and interesting as ...

Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on a special mission: creating the most detailed 3-D maps of the universe ever made. Journey across the cosmos as she shares her team's work on the Sloan Digital Sky Survey, imaging m ...  Show more

Shedding light on the deepest depths of the universe is Gerry Gilmore, who talks about the Big Bang and the mystery of dark matter. We also hear from Peter Muller and Giulio del Zanna about 3-D imaging of the surface of Mars and how solar flares contribute to everything from the ...  Show more

By dating nearly a quarter-million stars, astronomers were able to reconstruct the history of our galaxy—and they say it has lived an “enormously sheltered life.” Learn more about your ad choices. Visit megaphone.fm/adchoices