Where Did the Moon Come From?

Where did our unique moon come from? It turns out that lunar rocks brought back by Apollo astronauts are a clue, pointing to the origin of our closest cosmic companion, an origin even stranger than you might imagine…

Season 7 Episode 5 Length 10:50 Premiere: 09/25/24

Recent Episodes

Sensitive Teeth? Blame This Fish

S8 E12 Length 11:08 Premiere Date 03/03/26

The Fiery Rise of Flowering Plants

S8 E11 Length 10:45 Premiere Date 02/10/26

When Ancient Weeds Fooled Us

S8 E10 Length 11:37 Premiere Date 01/27/26

How Brawn Led to Brains

S8 E9 Length 12:14 Premiere Date 01/13/26

When a Tiny Land Bridge Triggered an Ice Age

S8 E8 Length 10:27 Premiere Date 12/17/25

What Was Greenland Like When it Was Green

S8 E7 Length 09:07 Premiere Date 12/02/25

Specials

When Dinosaurs Threw Up A Mystery

Length 09:15 Premiere Date 07/22/25

Did Dinosaurs' Extinction Give Us Fruit?

Length 10:47 Premiere Date 07/15/25

Why Paleontologists Can’t Stop Fighting About Spinosaurus

Length 08:37 Premiere Date 07/01/25

The Dinosaurs Too Big To Be Dinosaurs

Length 12:22 Premiere Date 06/17/25

Season 7 Episodes

Show Episodes

Show Clips & Previews

Darwin's Unexpected Final Obsession

S7 E21 Length 12:12 Premiere Date 05/20/25

Are All Oceans Basically Reincarnated?

S7 E20 Length 12:29 Premiere Date 05/06/25

Could This Sperm Whale Eat The Meg?

S7 E19 Length 08:36 Premiere Date 04/16/25

When Red Pandas Roamed North America

S7 E18 Length 09:41 Premiere Date 04/08/25

Webs vs wings: The arms race of the air

S7 E17 Length 08:10 Premiere Date 03/25/25

The Graveyard at the Center of the Earth

S7 E16 Length 12:38 Premiere Date 03/11/25

Why Wasn't There A Second Age of Reptiles?

S7 E15 Length 09:59 Premiere Date 02/25/25

How Mountains Make Evolution Weird

S7 E14 Length 10:09 Premiere Date 02/11/25

The Mystery of the Cretaceous Pompeii

S7 E13 Length 10:39 Premiere Date 01/28/25

How Asteroids Set the Stage for Life on Earth

S7 E12 Length 10:38 Premiere Date 01/14/25

When Neandertals Became Apex Predators

S7 E11 Length 11:50 Premiere Date 12/17/24

When the Amazon Flowed Backwards

S7 E10 Length 11:25 Premiere Date 12/03/24

How Animals Got Butts

S7 E9 Length 12:10 Premiere Date 11/19/24

What Happened To The Other Mesozoic Mammals?

S7 E8 Length 12:28 Premiere Date 11/05/24

The Dinosaurs That Evolution Forgot

S7 E7 Length 09:19 Premiere Date 10/22/24

How the Himalayas Changed the World

S7 E6 Length 10:04 Premiere Date 09/25/24