The astronaut health experiments of Artemis II

Artemis II is about more than getting four humans to the Moon and back. It's an opportunity to gather data on human health in deep space that we haven't had in over 50 years. This week, we're joined by Steve Platts, chief scientist of NASA's Human Research Program, who walks us through the suite of human health experiments flying aboard Artemis II, from the ARCHER wearable sensors tracking crew health and team dynamics, to dry saliva swabs measuring stress hormones. Then Casey Dreier, chief of space policy at The Planetary Society, helps us make sense of NASA's Ignition Day, a major press event held on March 24 in which the agency unveiled sweeping changes to its lunar exploration plans and beyond. And we close with Bruce Betts, chief scientist of The Planetary Society, in our weekly What's Up, where we explore one of the stranger phenomena in human spaceflight, the flashes of light astronauts sometimes see when cosmic rays pass through their eyes. Discover more at:

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The astronaut health experiments of Artemis II is an episode from Planetary Radio: Space Exploration, Astronomy and Science by The Planetary Society.

This episode is 63:23 long.

This episode was published on Mar 25, 2026.

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