Walter Alvarez and the KT Boundary Story

A visit to the Cretaceous-Paleogene boundary, Trinidad State Park, Colorado

Global Catastrophe in a Thin Rock Layer

The Day the Mesozoic Died: The Asteroid That Killed the Dinosaurs — HHMI BioInteractive Video

A Mega-Tsunami Deposit at the KT Boundary

PSW 2468 The Latest on the Great Dinosaur Extinction | Sean Gulick

Cretaceous Texas with Dr. Daniel Wegert

The Impact Crater in Mexico which Wiped out the Dinosaurs; Chicxulub Crater

Extraterrestrial impact in Yucatán, lava floods & Cretaceous-Tertiary extinction

And so it ends

Dinosaur fossil from asteroid strike that caused extinction found, scientists claim - BBC News

The Chicxulub Impact and Dawn of a New Era - Michael T Whalen

Permian Triassic Extinction Event Boundary - Bulli Coal Measures

Asteroid attack 2 | Where's the evidence? | What Really Killed the Dinosaurs? | BBC Earth

The Cretaceous-Tertiary Mass Extinction: What Really Killed the Dinosaurs?

The K-T Mass Extinction

The K-PG Boundary and Dinosaur Extinction (aka "K-T Boundary")

Big History Class 17 Walter Alvarez - Life On Other Worlds

What Exactly Killed The Dinosaurs? | Earth | BBC Earth Science

The Cretaceous-Palaeogene Mass Extinction: What Do We Really Know?

Keynote - Drilling the Chicxulub Impact Structure - Study of Large Impact Formation and Effects