Based on individual trends within cities, Washington was by far the leader in rat increases, followed by San Francisco, ...

We are on our heels and being pushed backward,” Jonathan Richardson, the study’s lead author and an ecologist at the ...

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 ...

Simmering urban temperatures are bad for humans. It's another story for rats, according to new research -- especially in ...

A new study is the first to link rising temperatures with booming rat populations in cities around the world. Rising seas, intensifying droughts, worsening floods — these are well-known effects of ...