The discovery points to something scientists did not expect from creatures with such small brains.

"They also wiggle their butts and hit them with their butts. They're quite aggressive little creatures." ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The mystery of just how the notorious cockroach became one of the most widespread vermin has been solved by scientists.

The German cockroach is an indoor pest that is found across the world. Science has finally solved the mystery of its origin. The cockroach, contrary to popular belief, isn’t one species. There are ...