Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

The ocean is full of surprises, and scientists are still finding creatures that seem almost unreal. From tiny reef animals to ...

Dive into the enchanting world of the octopus, an extraordinary marine wonder with eight flexible arms and a unique ...

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

Deep-sea creatures adapt to darkness and pressure with bizarre, often bioluminescent features.

A research trip to Antarctica uncovered marine life that hadn't been seen before in one of the world's most remote spots.

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300 ...

Few have explored the ocean’s deepest depths – but those rare few have shared images of the strangest, most mysterious ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

An incredibly rare deep-sea fish has been spotted on the California coast.

Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.