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

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

The rat is the preferred model organism in many fields of biomedicine, such as toxicology testing. But when it comes to disease models, rats have been upstaged by mice, which traditionally were ...

Urban ecologists looked at 16 cities from Tokyo to New Orleans and found New York City had the fourth-highest rat population ...

As "The Masked Singer" returns next month for Season 13, the show has revealed some of its weekly theme nights - paying ...

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 led by researchers at University of Richmond has revealed that growing rat populations are the world are closely ...

named " NYC rat pack.” It's an uphill battle. “As our cities warm, urbanize and (increase in) density, we create more resources for rats which could result in further increases in numbers ...

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 ...