"I'm stunned." says Per Ahlberg of Uppsala University, who coordinated the study; "A single track-bearing slab, which one person can lift, calls into question everything we thought we knew about when ...

A digital reconstruction of a million-year-old skull suggests humans may have diverged from our ancient ancestors 400,000 years earlier than thought and in Asia, not Africa, a study found. The ...

Challenging a 75-year-old notion about how and when reptiles evolved during the past 300 million-plus years involves a lot of camerawork, loads of CT scanning, and, most of all, thousands of miles of ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

What did researchers find? A 1.6-to-1.5-million-year-old skull from Ethiopia combines features from two different stages of ...

Human evolution is not a straight line but a complex branching tree shared with other great apes. This overview explains the distinction between hominids and hominins and traces the evolutionary ...