Long before DNA unraveled the double helix of life, scientists were already tinkering with its inheritance. The idea that traits could be passed from one generation to the next fascinated early ...

Through intensive breeding, humans have pushed breeds such as pug dogs and Persian cats to evolve with very similar skulls and "smushed" faces, so they're more similar to each other than they are to ...

Dogs are our companions, but they're also living proof of artificial selection. Dogs have coevolved and adapted to live in a human world. Dr. Sarah Byosiere, a dog cognition researcher, walks through ...