On Today's Podcast

Why Astronomers Are Excited About Comet 3I/ATLAS’ Close Approach

Comet 3I/Atlas is just the third known object to visit us from outside our solar system. So yes... we'll be talking about aliens.

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Most Recent Broadcast

December 19, 2025

A newly identified amoeba can survive at the temperature of a medium-well steak. Plus, a distant lava planet shows signs of an atmosphere. And, this Christmas Bird Count, we salute the fabulous, underappreciated, common species. Here’s to you, house sparrow.

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Segment

16:25

The Clock Inside

A biologist on why circadian timing matters for more than just your sleep schedule—and could represent a new frontier in medical science.

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