Rise of the Mammals

Sixty-six million years ago, an asteroid wiped out the dinosaurs in a fiery global catastrophe. But we know little about how their successors, the mammals, recovered and took over the world. Now, hidden inside ordinary-looking rocks, an astonishing trove of fossils reveals a dramatic new picture of how rat-sized creatures ballooned in size and began to evolve into the vast array of species.

More Episodes

Decoding da Vinci

Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.

Why Bridges Collapse

Can new engineering techniques help prevent deadly bridge collapses?

Passport Icon

Back to the Moon

Discover why scientists and entrepreneurs alike have their sights set on the Moon again.

Other Shows You May Enjoy