This jaw-dropping shark is pink, nightmarishly ugly and can slingshot its jaw out of its face when it’s hungry ...

Off the coast of Costa Rica, fishermen came face to face with something the ocean had never shown before. A nurse shark, ...

Scientists filmed a squid covering itself in mud and holding its tentacles upright, using camouflage that helps it hide on the ocean floor.

In hydrothermal vent fields, a small snail evolved an iron-reinforced shell. Here’s how it challenges assumptions about ...

In Earth’s deepest waters, survival depends on aggression, stealth, and biology built for killing in darkness. This video counts down nine of the creepiest deep sea creatures, revealing how their ...

Scientists on a research vessel off the California coast are marveling at a rare find — a waved albatross was spotted soaring ...

Aerial drones also revealed the structure of the hunt: dolphins spread out in a scouting line, driving fish toward the ...

Whether it’s seaweed cloaks or see-through wings, these animals know how to hide. Meet four masters of disguise who’ve turned camouflage and mimicry into a work of art.

Cuttlefish attract prospective sexual partners by creating a pattern on their skin, based on the orientation of light waves.

The formally feathered, flightless aquatic birds known as penguins dominate the frigid waters surrounding the subantarctic ...

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

Octopuses break so many biological expectations that scientists still struggle to explain how they ended up this way through ...