With more than 55% of the world’s population now living in cities, the frantic pace of urban life is changing life on a genetic level. Through rapid evolution, we are seeing the formation of ...

If you’ve ever walked under a streetlight on a warm evening and noticed a large web stretched between poles or buildings, you’re not imagining things. In some cities, certain spiders are actually ...

Brown rats in New York City may be evolving smaller rows of teeth. Tiny fish across the Eastern US have adapted to thrive in polluted urban waters. Around the globe, living things are evolving ...

Coyotes are increasingly common in urban areas throughout the United States. A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, like this one photographed ...