This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre.

These caterpillars carry a toxic chemical cocktail and Inquisition-like delivery implements—and their geographic range is ...

Microbiology is a biological science focused on the study of microorganisms. These are organisms that cannot be seen by the naked eye, such as bacteria, viruses, parasites, and single-celled algae and ...