The deep ocean is about as mysterious as the depths of outer space, and it's home to some bizarre finds, from tiny angelic creatures to giant worms.

Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they ...

In July and August scientists onboard the Schmidt Ocean Institute’s research vessel Falkor (too) spotted the oddities through the eyes of an underwater robot as they explored the Mar del Plata Canyon.

The people’s mollusc: Scientists name strange deep-sea creature after thousands offer suggestions online - Eleven different ...

Giant squids can be over 40 feet long, but Humboldt squids are even more fascinating. Learn how these deep-sea creatures ...

From the octopus that walks on land to another that grows its own ‘lifejacket’, discover these unusual species ...

The world’s oceans have been the source of countless mysteries over the course of human history. From ships that have ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

A group of “rarely seen” Gervais’ beaked whales was recently spotted near Madeira, a Portuguese archipelago, photos show. Screengrab from the Magic Dolphin ecotour agency A mysterious group of ...

MATSUYAMA—The ribbon-like oarfish and the “living fossil” coelacanth appear even more mysterious with “guts” made of cogwheels and electric appliance scraps.