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

Urban dwellers in Washington D.C., San Francisco, Toronto, New York City, and Amsterdam might have seen rats scurrying across their cities — and they're not imagining an influx. Rat populations ...

Global warming is worsening droughts, making sea levels rise, and fueling deadly storms. Now scientists have a new problem to ...

Rats like the built-up environment and being near people and ... Missing commuter plane found crashed on Alaska sea ice and ...

A new study has linked increasing temperatures to growing rat populations. Climate change is contributing to a global rise in urban rat infestations, according to a new Science Advances study.

WASHINGTON (AP) — Rat infestation in many world cities appears to be soaring, especially in Washington, and a new study blames warming temperatures, urbanization and other human actions.

There are several reasons to be concerned about potential rat boom. "Rats transmit more than 50 zoonotic pathogens," Richardson said. "They're a big a big potential vector for people getting sick ...