It's sometimes convenient, when trying to make sense of evolution, to think of changes within a species as having a purpose, as though mother nature has some intended goal that she sets out to achieve ...

Discover interesting facts about how evolution works, the different patterns that can emerge from evolution, how quickly organisms can evolve, and whether evolution is a random or ordered process When ...

The extravagant splendor of the animal kingdom can’t be explained by natural selection alone — so how did it come to be? A male Indian peafowl.Credit...Kenji Aoki for The New York Times Supported by ...