First glaciers formed 26 million years earlier than we thought

Extinction Events on Earth Seem to Happen Every 27 Million Years

What Was Earth Like Before the Dinosaurs?

Extinction Events on Earth Happen Every 27 Million Years: Earth's Heartbeat

5 Mass Extinctions, and We're Looking at the Sixth

The 26-Million-Year Extinction Theory: Is Doomsday Coming?

How Earth Will Look In 250 million Years

Why Didn't We Go Extinct 10 Million Years Ago?

Paleontologists Find 27 Million Year Cycle In Earth’s Mass Extinctions

What was the Earth like 500 million years ago ? | Documentary History of the Earth

Imagine being a teen 500 million years ago… 🤯

What was the Earth like 250 million years ago ? | Documentary History of the Earth

66 Million Years Ago Something CRAZY Happened to Dinosaurs

65 Million Years Ago: What Really Killed the Dinosaurs?

This Prehistoric Animal From 28 Million Years Ago Is Still Alive Today!

66 Million Years Later: The Asteroid that Reshaped Our World | Nostalgic Narratives

Earth 6.6 million years ago vs Earth now #earth #short #cosmic

Why Did The Earth Totally Freeze For 100 Million Years?

What Is the Heliosphere—and What Happened to It 3 Million Years Ago?

PBS News Hour full episode, Dec. 31, 2024