German cockroaches (Blattella Germanica) are one of the more common types of cockroaches. They were once believed to have originated in Europe, but this notion has since been debunked. In fact, they ...

A new study traces the German cockroach’s evolution throughout human history, from the Islamic empires to modern-day Europe. The German cockroach (above) likely evolved from the Asian cockroach.

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

Of thousands of cockroach species, you're most likely to see these four. Learn what it means for your health if cockroaches invade your home and what you can do to get rid of them. (Credit: ...