What's the rarest ocean animal? Discover the rare and endangered ocean animals along with those that are rare because they're ...

Documentation provides one of the most detailed observations of seafloor biodiversity and habitats at these depths ...

The species help harness carbon dioxide, a greenhouse gas, deep in the ocean, but much is still unknown about this region and its fascinating inhabitants. The terrifyingly toothy Pacific viperfish, ...

The ocean covers more than 70 percent of Earth’s surface, yet we’ve explored less of it than we have the surface of the moon.

A team of researchers has published a detailed description of the undersea creature previously dubbed the “mystery mollusk” due to its bizarre body. The animal’s scientific name is Bathydevius ...

They say we know more about the surface of the Moon than we do about the bottom of the ocean, which is what made it so ...

It's a rule of thumb -- or fin -- for the ocean: The deeper you dive, the weirder things get. Now, a new exhibit lets visitors jump straight into the strangest layer of the ocean, bringing the ...

Jellyfish Day honors one of Earth’s oldest and most fascinating creatures, glowing reminders of resilience beneath the waves.

Anglerfish first colonized the ocean's midnight zone 55 million years ago, during a period of extreme global warming, a new study finds. The bizarre fish adapted to thrive in the deep sea by becoming ...

(CNN) — Ancient glass sponges. A Barbie-pink sea pig sauntering along the seafloor. A transparent unicumber hovering in the depths. These wonders are just an initial snapshot of fantastic creatures ...

From mysterious colossal squid to the ferocious pram bug, these creatures are stranger than fiction. Found in the depths of the Pacific Ocean, the flower hat jellyfish (Olindias formosa) glides with ...

(CNN) — Ancient glass sponges. A Barbie-pink sea pig sauntering along the seafloor. A transparent unicumber hovering in the depths. (CNN) — Ancient glass sponges. A Barbie-pink sea pig sauntering ...