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

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

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

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

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

An entire world lives deep under the ocean’s surface, far from human notice and as bustling as any city. Animals such as tubeworms and clams live crowded around plumes of methane that bubble up ...

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

A towering, centuries old sea creature has been found rising from the seafloor off New Zealand, its branches forming a living ...

Given how underexplored the Pacific Ocean is, it is not surprising that new species are being discovered every time a manned or unmanned deep-water submersible is launched to document the species ...

Barreleye fish are named for their unique, barrel-shaped eyes. These eyes can rotate, allowing the fish to look both upward and straight ahead. Their eyes also have bright green lenses protected ...

We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...