Cities experiencing warmer temperatures, fewer green spaces and denser human populations are seeing a rise in rat numbers, a ...

Nearly 3.5 billion people live in the messy transition zone between cities and wild places, where agriculture abuts homes; ...

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

The study did not count rats directly; instead, it analyzed rat sighting complaints submitted by city residents.

ST. GEORGE — The future of a petroglyph in St. George is uncertain as urbanization encroaches on its resting spot. Carved in the cliffs are the stories of St. George's people, the Pueblo ...

WASHINGTON — 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. A first-of-its ...