Where have all the hyenas gone?

North America Used to Have Its Very Own Hyena

A sad truth.

Extinction Is Forever: De-Extinction Can't Save What We Had

Sixty-six million years ago, dinosaurs had a *really* bad day.

What Happened in the Seconds, Hours, Weeks After the Dino-Killing Asteroid Hit Earth?

Double whammy? Was it a combination of bolide collision & volcano that did in big dinos? An interesting piece by Gemma Tarlach over on the Discover website.

The 1-2 Punch of the End-Cretaceous Extinction

Death by caterpillar, and other ideas for non-avian dinosaur extinction.

What Killed the Dinosaurs? Science Has Had Some Wild Ideas

Bonebed offers a look at life right after the Age of Reptiles ended. This prehistoric cat-squirrel thrived just after the Age of Reptiles ended.

Palaeo Profile: Alcide d'Orbigny's Dawn Beast

For almost as long as there's been life, there's been extinction.

Six Extinctions in Six Minutes

Here's a news story that should make all of us homo sapiens feel really proud of ourselves... NOT! :(

Extinctions now 1,000 Times Faster Than Before Humans

From caterpillars to Mesozoic farts, ten of the weirdest dinosaur extinction ideas.

The Top Ten Weirdest Dinosaur Extinction Ideas

When mighty newspapers roamed the Earth... Digital media drives paper T. rex to extinction.

Visualising the Death of Print as a 3D Tyrannosaurus Rex