(CNN) — The cockroach that emerged from your sink drain and scuttled under the fridge? The nocturnal critter was most likely a German cockroach, and its ancestors were pestering people more than 2,000 ...

The German cockroach lives not in the wild, but in human buildings across the globe. The widespread species is the world’s most prevalent cockroach, but scientists have been unsure where it originally ...

Earth boasts some 4,600 species of cockroach, but perhaps none is as widespread as the German cockroach (Blattella germanica), which is today found anywhere humans permanently inhabit. But despite its ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The cockroach that ...

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 ...