Evolution

Analysis of ancient genes changes what researchers expected about giant sloth evolution

A newly named dinosaur balanced on one toe of each foot

The giant bird roamed Europe more than two million years ago

Walking without shoes builds calluses, but that does not limit sensation

Author and self-described fossil fanatic Brian Switek talks about his new book Skeleton Keys: The Secret Life of Bone.

A few brief reports about international science and technology from Canada to Kenya, including one about how humans thousands of years ago in what is now Argentina butchered and presumably ate giant ground sloths.

More than 100 millennia ago, people were roasting tubers—a practice that fueled their bodies and may have aided migrations

A new analysis of a famous fossil suggests that there may be more feathered dinosaurs in Germany’s lithographic limestone than we currently know

The remains of our distant relatives evoke more than just data points

Confronting climate change, cultures with intensive, specialized land use were vulnerable. Those that endured cultivated multiple crops and helped edible rainforest species prosper

Two monkey species who last shared a common ancestor 3 million years ago have "eerily similar" alarm calls.