Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist is ...

Yet modern biology has revealed that cells are preternaturally sophisticated assemblages — literally automated, miniaturized factories. How could the evidence have been overwhelming but now orthodoxy ...

Scientists have uncovered new evidence suggesting that autism may have it roots in how the human brain has evolved. "Our results suggest that some of the same genetic changes that make the human brain ...

Light helps explains the evolution of our skin color, why some of us have curly hair, and the size of our eyes. And light still shapes us today. When you purchase through links on our site, we may ...