A new study finds that rat infestation in many of the world’s cities appears to be soaring, especially in Washington.

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 warning that cities across the US and beyond are becoming far rattier, and t

Global warming is helping rats thrive in major cities around the world, with Washington DC seeing the fastest growth in rats

A new study of cities across the globe has found a link between climate change and larger increases in the urban rat population.

Climate change is fueling a surge in rat populations across major US cities, with Washington, DC, seeing the worst increase over the past two decades, a new study said. The study published by Science Advances on Friday,