A new study shows cultural evolution helped humans expand across Earth far faster than genetic change alone could achieve.

For decades, scientists have been carefully unraveling the role of genes in disease by examining how small variations in a person's genetic code can shape lifelong risk of developing common conditions ...

Analysis of hundreds of environmental exposures and health outcomes quantifies influence of nongenetic factors ...

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...

The scarlet monkeyflower's ability to keep pace with a punishing drought signals some plants can adapt quickly to climate ...