The ancestors of German cockroaches pestered people about 2,000 years ago far from Germany, a study found. Here’s how the critters achieved global domination.

To figure out how cockroaches got there and spread to other parts of the world, first study author Dr. Qian Tang and his collaborators asked scientists and pest control experts around the globe for ...

The nocturnal critter was most likely a German cockroach, and its ancestors were pestering people more than 2,000 years ago in southern Asia, a new study found.