Although cities have ramped up their use of poisons and traps, the number of rats in places like New York City, San Francisco ...

The city of Amsterdam is one of 11 where climate change is considered to be having an impact on the rising rat population.

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

Climate change is contributing to a global rise in urban rat infestations, according to a new Science Advances study. As ...

Winters are getting warmer and shorter as the climate changes. That's helping rat populations grow in several U.S. cities.