A sweet tooth for sugars from fruits and honey may have helped fuel brain growth in our primate cousins and early human ...

Fruit, honey and other naturally sweet foods may have helped fuel the evolution of the human brain, according to new research ...

A reconstruction of East Africa's environment 1.75 million years ago suggests wildfires spiked during wetter times, which may ...

Combining archaeological evidence with ancient DNA and data on past climates shows us how long and winding the story of human ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

Intelligence is an energetically expensive luxury. And a new study in Science shows meat has never been the main fuel source ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

How did humans become human? Understanding when, where and in what environmental conditions our early ancestors lived is central to solving the puzzle of human evolution. Unfortunately, pinning down a ...

A superb fairy-wren calls to a Horsfield's bronze-cuckoo. Brood parasites like cuckoos lay eggs in other birds' nests and leave them behind for the host birds to raise. David Ongley / Cornell Lab of ...

On Valentine’s Day in 2018, a team of scientists walked across a flat expanse in the badlands of northeastern Ethiopia, scanning the ground for fossils. An eagle-eyed field assistant, Omar Abdulla, ...