New research suggests that natural selection, famous for rewarding advantageous differences in organisms, can also preserve similarities. The researchers worked with a plant called wild radish and its ...

Have you ever wondered why our universe is made up of something rather than nothing? It can hurt your brain if you think about it too much because if there were nothing you would have no brain—no you ...

HUMANS HAVE never been immune from the pressures of natural selection. Throughout the history of the species circumstances have arisen to give individuals with certain beneficial mutations an ...

Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA indicates that natural selection continued to shape hundreds of genes. By Carl ...