Discover the natural wonders of Earth on over 400 radio stations worldwide

Earth facts

A wave

Episode

319

Invisible Forces Shape Waves

June 6, 2023

The Chandelier Ballroom in Lechuguilla Cave

Episode

315

Carlsbad Caverns

May 9, 2023

The sun

Episode

313

The Measure of a Meter

April 25, 2023

4.375-billion-year-old zircon crystal

Episode

304

4-Billion-Year-Old Time Crystals

February 21, 2023

Fjord

Episode

297

What is a Fjord?

January 3, 2023

288 thumb drawing of skeleton in hat

Episode

288

The Sum of All Humans

November 2, 2022

Episode

276

Water Conservation

August 10, 2022

Episode

265

Darwin’s Terraforming Experiment

May 22, 2022

Episode

262

South Pole Sleepover

May 1, 2022

Episode

255

Saint Patrick’s Snake-Free Ireland

March 13, 2022

Episode

252

Biomass Census

February 20, 2022

Episode

229

Man Made Fire, Fire Made Man

September 11, 2021

Episode

228

Flammable Planet

September 4, 2021