On Today's Podcast

Planning your photo ops for a trip around the moon

The Artemis II crew took photos of the far side of the moon with handheld cameras. A science team on Earth had plenty of requests.

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May 8, 2026

Your personal biometric data—from your face, to your gait, to your weight—is constantly being collected and sold. Who’s buying it, and why? Plus, the sci-fi thriller “Hole in the Sky” imagines an alien first-contact scenario set in the heart of Cherokee Nation. And, the SuperCDMS SNOLAB experiment, located deep in a nickel mine, aims to detect signs of dark matter particles passing through the Earth.

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Segment

16:37

Redefining the Kilogram

All the scales in the world are calibrated against a 125-year-old chunk of metal in a vault on the outskirts of Paris. Now scientists are looking to redefine the standard of what “kilogram” really means.

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