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

The "Chicago Rat Hole" captured hearts in Chicago and on social media last year. Researchers analyzed the anatomical ...

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

Researchers used methods from paleontology to analyze the quirky local landmark, created when a rodent of a certain size fell into wet concrete.