Human Evolution

The first Denisovan tooth that was discovered in 2008

DNA from a Huge Tooth Confirms a New Ancient Cousin

The Denisovans may have co-existed and interbred with Neanderthals and Homo sapiens

When a walk in the park is your worst nightmare.

Why Do Humans Have Allergies? Parasite Infections May Be the Trigger

Protein analysis suggests that antibodies that evolved to fight parasites might be turning their focus to otherwise harmless agents

Fossilized Teeth Reveal Humans Were in Asia Long Before Europe

Early humans might have been more inclined to roam than scientists previously thought

Hunter-Gatherers Sleep Little and Get Up Early

Our ancestors probably didn’t need nine hours of sleep either

A view from Mota Cave in Ethiopia, where archaeologists found the remains of a 4,500-year-old human.

Back to Africa: Ancient Human Genome Reveals Widespread Eurasian Mix

Genes from a 4,500-year-old skeleton from Ethiopia show how migrations shaped modern populations

The hand and foot of Homo naledi

The Increasingly Muddled Origins of Homo Naledi

Detailed analyses of Homo naledi shows a mosaic of both early and modern human features

A young chimpanzee sets out for a stroll in Tanzania's Mahale Mountains National Park.

Walking Chimps Move in Surprisingly Similar Ways to Humans

Motion-sensor studies showing how chimpanzees walk upright could help scientists better understand the evolution of bipedalism

Here’s Why Chimps and Humans Look So Different

Thank genes for the lack of family resemblance.

Meet Homo naledi, the newest member of the human family tree.

What Makes a Fossil a Member of the Human Family Tree?

The surprising new species Homo naledi raises more questions than answers—for now

New Fossil Discovery May Change What We Know About Human Evolution

The ancient species Homo naledi had small brains and seems to have intentionally carried their dead into caves

Sure, it looks cute now, but a new study explores why babies influence their moms' DNA for years.

Baby’s Cells Can Manipulate Mom’s Body for Decades

An evolutionary approach may help scientists understand why mothers become genetic chimeras and how that affects their health

Scientists Just Identified a Pinkie That’s Almost 2 Million Years Old

And it could be a major evolutionary breakthrough

Dating human remains (such as this 800-year old skeleton found in Bulgaria) often relies on radiocarbon dating

Climate Change Might Break Carbon Dating

Fossil fuel emissions mess with the ratio of carbon isotopes in the atmosphere

Brazil's Surui people, like the man pictured above, share ancestry with indigenous Australians, new evidence suggests.

A DNA Search for the First Americans Links Amazon Groups to Indigenous Australians

The new genetic analysis takes aim at the theory that just one founding group settled the Americas

An illustration shows the process of cell division, which involves chromosome pairs swapping some of their genetic data.

Human Sex Chromosomes Are Sloppy DNA Swappers

The genetic bundles that code for males and females can get a little messy when they trade pieces during cell division

In Some Ways, Human Hands Are More Primitive Than Chimp Hands

Study suggests our common ancestor had humanlike hands

A chimpanzee family in Uganda in 2010.

What Does it Really Mean to Be 99 Percent Chimp?

This video breaks down our statistical similarity to chimpanzees

Previous analysis of the Kennewick Man's skull suggested that he might be closely related to Asian populations and Polynesians. But new genetic analysis indicates his ancestral roots are in the Americas.

Genome Analysis Links Kennewick Man to Native Americans

Ancient DNA sequenced from the skeleton adds to the controversy over the individual's ancestry

Snail shells found in Lebanon indicate humans were using modern tools before they reached Europe

Tools Weren’t Invented in Europe, They Were Carried There 50,000 Years Ago

Analysis of shells and human bones from a site in Lebanon suggests modern tools were in use

Investigating the Case of the Earliest Known Murder Victim

A 430,000-year-old skull discovered in a Spanish cave bears evidence of deliberate, lethal blunt force trauma

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