Evolutionary Biology

Paleontologists brave wildfires, parasites and scorching temperatures in search of ancient mammal fossils

The long-necked dinosaurs known as sauropods, once seen as icons of extinction, thrived for millions of years around the world

Bees understand abstract relations despite lacking the brain areas thought necessary

By analyzing previously overlooked fossils and by taking a second look at some old finds, paleontologists are providing the first glimpses of the actual behavior of the tyrannosaurs

Mongolia's Gobi Desert contains one of the richest assemblages of dinosaur remains ever found. Paleontologists are uncovering much of the region's history

A long-cherished view of how and why feathers evolved has now been overturned

The American West once harbored multiple communities of dinosaurs simultaneously—a revelation that has scientists scrambling to understand how the land could have supported so many behemoths

A species of ant escapes floods on a raft made of its babies

Luck has played a big part in many of the world's great fossil discoveries. New models predict where the bones are and put serendipity in the backseat

English mud captures an ancestral stroll

Books and recommendations from Scientific American

A fallow buck judges a rival's call to tell whether he can be trounced in a mating contest