In the first study of its kind, scientists found a correlation between climate change and a rise in urban rat populations.

There’s a saying that in a big city you are never more than six feet away from a rat. It’s an urban myth but scientists are ...

Global warming is worsening droughts, making sea levels rise, and fueling deadly storms. Now scientists have a new problem to add to that list: Climate change is helping rat populations thrive in U.S.

Rat infestation in many world cities appears to be soaring, especially in Washington, and a new study blames climate change, urbanization and other human actions.