"...despite obstacles like mountains and large rivers, Neanderthals could have crossed northern Eurasia surprisingly quickly."

Surviving Neanderthal genes in modern genomes tell a story of thousands of years of interactions between Neanderthals and modern humans.

Analysis of 40,000-year old tools created by Neanderthals reveals surprisingly sophisticated construction, including an adhesive material.

Odor receptors grown in a lab dish indicate that Neanderthals and Denisovans were attune to different smells than we are.

The facial structure of prehistoric skulls offers new insights into where interbreeding between humans and Neandertals took place.

Neanderthal spines and the Industrial Revolution offer clues to the back pain people experience today.

New research that indicates humans may have arrived in Europe much earlier than previously thought also raises some intriguing questions.

"Neandertals knew that for a specific task, they needed a very particular tool. They found what worked best and sought it out when it was available."

Scientists thought Neanderthals might have created tools from a cave in what's now Bulgaria, but new research shows Homo sapiens may deserve credit.

New research adds to growing evidence that our ancestors interbred with Neanderthals not just once, but over and over again throughout history.