glaciation

A glacier flows through a section of the McMurdo Dry Valleys in Antarctica.

Episode

430

Antarctic Dry Valleys

July 22, 2025

The landscape of Antarctica as it would appear if the ice were lifted away

Episode

406

Extreme Antarctica

February 4, 2025

The "Great Unconformity" in Arizona’s Grand Canyon

Episode

397

Earth’s Billion-Year Mystery

December 3, 2024

A relief map of Greenland

Episode

361

Secrets Under Ice

March 26, 2024

Fjord

Episode

297

What is a Fjord?

January 3, 2023

The Antarctic midge

Episode

294

Antarctica’s Largest Land Creature

December 14, 2022

Episode

253

Snowball Earth

February 27, 2022

Episode

247

The Northwest Passage

January 16, 2022

Episode

241

Driftless Oasis

December 4, 2021

Episode

189

Under Greenland’s Ice Sheet

December 4, 2020

Episode

160

Making the Great Lakes

May 14, 2020

Episode

129

Ice Age Rebound

October 10, 2019

Episode

70

From Greenhouse to Icehouse

August 20, 2018