Sure, they look scary, but those 50 rows of teeth ... This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society. But its jelly-like skin looks ...

Therefore, it can easily be mistaken for a harmless stone amongst all the others scattered about the ocean floor before an animal gets too close to this toxic creature. The golden poison dart frog may ...

Here are eight of the scariest prehistoric creatures that were not dinosaurs. Paleontologists found the 202-million-year-old ...

From the fearsome piranha and vampire fish to the mighty anaconda, the crocodile, and the candiru, these are among the most terrifying reptiles, insects, spiders, and fish.

Deep sea creatures like the anglerfish look terrifying. Turns out, there’s a reason for that. National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is ...

Using a remote vehicle, scientists first noticed the so-called a mystery mollusk in February 2000 at a depth of 8,576 feet in the Pacific.

Scary, squishy ... Not only do they occupy disparate branches of the animal family tree, but they also live in different habitats; some like the ocean surface, others the depths, and a few ...