The mysterious deep-sea Blobfish (Psychrolutes marcidus ... Cryptobranchidae - which dates back 170 million years. The salamander is the world’s largest amphibian (known to reach lengths ...

A look at some animals that have been around for millions of years.

Some 370 million years ago, the great-great-great (and on and on and on) vertebrate ancestor of Homo sapiens—a weird-looking salamander ... known as “Dr. Deep Sea,” broke the Guinness ...

Scientists say they've captured the first footage of a living colossal squid in the deep sea. The colossal squid is the world's largest invertebrate, but the one in this video is a baby.