But the Windy City’s “rat hole” may not be what it seems. New research into the identity of the creature that caused a sidewalk imprint when it fell into freshly poured cement suggests the culprit is ...

Chicago — the city of deep-dish pizza, world-class museums, the Bean and Sears (Willis) Tower — has had a new, unusual claim ...

Scientists published peer-reviewed research Wednesday that found the Chicago Rat Hole, a rodent imprint in a residential ...

The sidewalk imprint, dubbed “Splatatouille,” was thought to have been left by an unfortunate brown rat that met its end ...

Ah, rats! Researchers have debunked the origin of Chicago's so-called “rat hole," concluding some other critter was likely ...

A statistical analysis of an infamous indentation in a sidewalk suggested a 99 percent likelihood that another rodent made the mark.

The study, published by the Royal Society on Wednesday, suggests that the famous sidewalk hole shaped like a giant rat wasn't ...

Despite its online fame, no one ever formally analysed the imprint to confirm what left it in the sidewalk—until now.