Paleontology

Dinosaur teeth are unique windows into Earth’s ancient air

But our ancient ancestors set the world ablaze 50,000 years ago

They trekked for 2,000 years across formidable terrain

The native forests of South America were shaped by mastodons—and we’re doing a bad job filling their role

What bountiful remains of foraminifera reveal about the ocean’s past and future in times of climate chaos

<i>Traskasaura sandrae</i> had “very odd” features that made it a crafty hunter

Megalodon teeth reveal a secret to their ancient super-predator status

Dinosaur illustrator Mick Ellison on the evolution of using science and art to visualize the long-extinct animals of the deep past

Donald Johanson reflects on his fossil discovery that shook the human family tree a half century ago.

Recent studies show it wasn’t the climate that did them in.

Bird brain scans and dinosaur fossils hint at when the first creatures grew wings.

Recreating the past requires as much art and craft as science.