This article originally published at 'Mass die off': Thousands of rare sea creatures wash up on Texas coast.

Some animals do not have red blood like humans. From spiders to octopuses, their copper-rich blue blood helps them survive ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

The use of cameras by wildlife authorities is one of the best ways to document wildlife sightings, particularly of rarely ...

The warm waters around the Andaman Islands are full of movement, color, and the occasional surprise. With coral reefs ...

Along long stretches of the Texas shoreline, thousands of rare sea creatures have been turning up dead or dying, transforming ...

When Ted Judah goes scuba diving off the coast in Monterey Bay, he normally swims at the surface to the area above the dive ...

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

Scientists have finally solved a decades-old mystery with the first-ever live encounter of a ginkgo-toothed beaked whale.

A bright green sea slug along America’s coast feeds on sunlight, not food, borrowing plant power to survive months unfed, ...

A woman taking a stroll along a quiet beach in deep South Texas came across a strange creature stuck “in a pile of sand” and ...

A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...