human evolution

Earliest interbreeding event between ancient human populations discovered

The new study goes back further than 23andme could have ever imagined.


Why males pack a powerful punch

Elk have antlers. Rams have horns. In the animal kingdom, males develop specialized weapons for competition when winning a fight is critical. Humans do too, according to new research.


Ecosystems of early human evolution

To understand the environmental pressures that shaped human evolution, scientists must first piece together the details of the ancient plant and animal communities that our fossil ancestors lived in over the past 7 million years.