When people started leaving rural areas for cities with hopes of finding a better life, they probably didn’t expect urbanization to get so out of hand. Now the concrete jungles where dreams were ...

Air pollution. Traffic. Animals dying. Habitat loss. All of these issues are side effects of urbanization, according to the United Nations. But, with a new rewilding solution that is being tested in ...

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 ...