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

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

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

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

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 ...

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

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

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

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

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

From a sneaky Coconut Octopus to the slimy Hagfish, these underwater creatures have some unique traits. Watch Full Episodes Here: https://www.smithsonianchannel.com ...