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

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

Scientists have long assumed the deep-sea Alicella gigantea was an uncommon survivor of the abyss.

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

A recent video shows a massive bluntnose sixgill shark emerging from the deep sea. This ancient species, predating dinosaurs, ...

Beneath the ocean's surface lies a world of perpetual darkness, home to some of Earth's most bizarre and fascinating creatures. These deep-sea inhabitants have evolved extraordinary adaptations to ...

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

Scientists already knew that the pair of shallow coastal ocean dwellers keep very different schedules of downtime: The ...

A mining-machine test on the deep-ocean floor resulted in species diversity declining by roughly 32% in the tracks of the ...

Cetaphobia is an intense, irrational fear of whales and large sea creatures, distinct from normal fear. It's a specific ...

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...