Add Yahoo as a preferred source to see more of our stories on Google. Artist's rendering of the Chicxulub asteroid entering Earth's atmosphere 66 million years ago, triggering events that caused a ...

Did you know that cockroaches actually groom themselves after physical contact with debris and pathogens? Here's how it keeps them safe.

Despite their tendency to spread dangerous diseases, cockroaches keep themselves clean by grooming immediately after physical contact. A cockroach’s antennae—which are particularly long—help them scan ...