Imagine early humans meticulously crafting stone tools for nearly 300,000 years, all while contending with recurring ...

Genetic tweaks allowed early humans to stand, balance and walk on two legs instead of moving on all fours like other primates ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

A lost chapter in human evolution has been revealed after an analysis of modern DNA found that we come from not one but two ancestral populations—ones that drifted apart and later reconnected long ...

Humans and our ancestors have been exposed to lead for 2 million years, but the toxic metal may have actually helped our ...

In this 4.4-million-year-old skeleton, scientists may have found the missing step between climbing and walking.

Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of hominins, or human ancestors, lived in the same place ...

Researchers have virtually reconstructed a crushed and distorted 1 million-year-old human skull discovered in China. The newly restored cranium may have belonged to a relative of the mysterious ...

Autism spectrum disorder (ASD) may be the result of millions of years of evolution. Rapid neuronal evolution in humans is likely ASD’s genetic cause, new research suggests. Though autism can cause ...

The Trump Administration recently called out the Smithsonian Institution for pushing “one-sided, divisive political narratives,” leading GOP Sen. Jim Banks last week to introduce a bill prohibiting ...