Chicago’s rodent problem is well known, but a new pilot program testing rat birth control to curb the population in problem ...

Two rodent control workers patrol Chicago’s alleys looking for telltale signs of rats. Two rodent control workers show Geoffrey Baer the telltale signs that rats have taken up residence in one of ...

Add Yahoo as a preferred source to see more of our stories on Google. Small rat carrying a piece of apple in his mouth running along a concrete barrier - Bruce Li/Getty Images Seeing a rat may send ...

In Chicago’s war on rats, it looks like feral cats either lack a certain killer instinct or they’re extremely picky eaters, according to a new study from Lincoln Park Zoo’s Urban Wildlife Institute.

From the Pacific Northwest to the Deep South, these cities are rat hotspots — definitely not for anyone who hates sharing space with creepy critters.