Although we humans have changed our environment in many ways during the past few thousand years, we are still changed by evolution. We have not stopped evolving, but we are evolving right now in ...

For more than half a century, many biologists have leaned on the neutral theory of molecular evolution to explain how DNA and ...

People say “When pigs fly” to describe the impossible. But even if most mammals are landlubbers, the ability to glide or fly has evolved again and again during mammalian evolution, in species ranging ...

In most developing tissues, signals called morphogens act like lighthouses, guiding nearby cells toward their fate and ...

A tiny freshwater snail from New Zealand is giving scientists a glimpse into evolution in motion. University of Iowa ...

There are a variety of methods that have been established to curtail the spread of infectious disease, from isolation or donning of PPE to prevent human-to-human transmission, to culling infected ...