Humans have become one of the world's greatest evolutionary forces. To survive our cities, animals from urban foxes to glass-climbing lizards are responding with extreme adaptation.

Combining archaeological evidence with ancient DNA and data on past climates shows us how long and winding the story of human ...

Babies start out life helpless and stay that way for a long time. They cannot walk, feed themselves or survive without an adult's continued care. Our dependency timeline has no clear parallel ...