Why are 90% of people right-handed and 10% left-handed? A modification of the well-known fighting hypothesis aims to explain this pattern.

FILE: Reconstructions of a Neanderthal man, left, and woman at the Neanderthal museum in Mettmann, Germany, March 2009 ...

Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and steadily began to spread its reach from the tidal pools to the oceans to ...

More than a decade after the first Neanderthal genome was sequenced, scientists are still working to understand how human-specific DNA changes shaped human evolution. It's just over a decade since ...

New research that decoded the evolution of mosquitoes’ feeding habits from DNA could shed light on the murky timeline of prehistoric human ancestors.

Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers — a ...

Humans' exposure to high temperature burn injuries may have played an important role in our evolutionary development, shaping how our bodies heal, fight infection, and sometimes fail under extreme ...

Humans appear to be set apart from much of the animal kingdom, even if we do say so ourselves. While we often credit our survival to superior intellect and our hyper-competitive spirit, a new study ...

Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

Michael A. Little does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...