Galápagos plants show repeated evolution and emerging species, emphasizing evolution’s flexibility and active role today.

Biologists are closing in on a puzzle that seems to turn classic evolutionary logic inside out, yet may be so common that it deserves to be called a new rule of life. Instead of always purging harmful ...

A longstanding question in evolutionary biology is how sexual selection influences how entire genomes develop. Sexual selection is where individuals with certain traits have higher reproductive ...