Nearly a hundred million acres of the truth about America.

The National Park Service

A show where curiosity and the natural world collide. We explore science, energy, environmentalism, and reflections on how we think about and depict nature, and always leave time for plenty of goofing off.

Outside/In is a production of NHPR.

Learn more at outsideinradio.org

Natural Sciences

Science & Medicine

Science

How often do you think about the Roman Empire?

The papyrus and the volcano

The Colorado River is disappearing – can one Gen Z dealmaker help save it?

The Kings and Queens of "the Water Prom"

From Napoleon's cutlery to the WWII occupation of Greenland, we dig up the hidden history behind the most abundant metal in the Earth's crust.

The Element of Surprise

What happens when the growing threat of landslides collides with a housing crisis?

‘Til the landslide brings it down

If we’re in the middle of a mass extinction, shouldn’t more species be going extinct?

The National Park Service

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