There are tons of terrifying creatures lurking in the dark, cold, pressurized environment of the deep sea, from a ginormous relative of the garden pill bug, to fish with translucent heads.

We've mapped the surface of Mars in more detail than the bottom of our own oceans. Over 80% of the seafloor remains unexplored, and the creatures that live down there make science fiction look ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

Add Yahoo as a preferred source to see more of our stories on Google. A close up of the great American Alligator in Black Bayou National reserve in North East ...

We all know that there are some strange, curious, and terrifying creatures lurking in the deep – like the haunting anglerfish, or the aptly-named vampire squid. But much about the very deep ocean is ...

From slimy sea creatures that’ll haunt your nightmares to terrifying wild pigs with fangs, these are 12 creepy creatures that will make you squirm in your seat. 0:00 - Intro to 12 Creepy Halloween ...