In the darkest part of the ocean lives the telescope fish, a predator adapted to extreme pressure, bioluminescence, and hunting without light ...

Here are 15 bizarre ocean dwellers that show just how mysterious much of our own planet still is. Known as a living fossil, the frilled shark has retained some of the features of its ancient ...

These odd-looking ocean creatures that kind of look like tiny sailboats have begun washing up on the shore of Crystal Cove State Beach by Laguna Beach. Usually a good indicator of warm seasons ...

Tourists and locals in St Ives, Cornwall, captured a huge sea creature on camera. It was later identified as a huge fish ...

Scientists discovered deep-sea life in the Pacific Ocean. The ecosystems exist over 31,000 feet below. These organisms ...

A devastating bacterium has decimated populations of sunflower sea stars, predators that play a crucial role in their ...

What has bulbous eyes, seeking suckers, three hearts, blue-green blood, and more-than-the usual complement of limbs? Wait, there’s more.

A whale shark can easily be spotted from the air, cruising just below the surface of the crystal-clear waters of the Indian ...

Sam Gangwer/AP Photo — -- The strange blue creatures swarming West Coach beaches this summer simply go wherever the wind takes them. Droves of Velella velella -- also known as "by-the-wind ...