Is this fossilized dinosaur leg a record of the day the asteroid struck?

It was the worst, and last, day of their lives.

By Cassidy Ward 4 weeks ago

The last spring of the dinosaurs

Scientists narrow down what time of year the dinosaurs died.

By Phil Plait 4 months ago

Forget the dinosaurs; what caused the first mass extinction ever?

Now we know what caused the Late Ordovician Mass Extinction, and it doesn't bode well for us now.

By Elizabeth Rayne 6 months ago

How teeth saved humanity's primate ancestors from a secret sixth mass extinction

Take care of your teeth, we might owe them our existence.

By Cassidy Ward 6 months ago

Primates' behavioral flexibility helped them survive dino-killing asteroid

Primates had a sort of open relationship with trees

By Cassidy Ward 6 months ago

Bizarre sea creatures from 500 million years ago are resurfacing as fossils

By Elizabeth Rayne 10 months ago

So now we know why the worst mass extinction ever annihilated almost everything on Earth

By Elizabeth Rayne 10 months ago

Second mega space rock landed in the Ukraine 650,000 years after dino-killing strike

By Jeff Spry 10 months ago

Scientists determine explosive new mass extinction event 232 million years ago

By Jeff Spry 1 year ago

Did a devastating supernova detonation cause the Devonian mass extinction?

By Jeff Spry 1 year ago