Divers with UNESCO have discovered and mapped out a massive and unusually pristine reef of rose-shaped corals in Tahiti.
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Scientists spotted the world's deepest-dwelling squid 20,000 feet below the Philippine Sea while hunting for a lost WWII battleship.
The U.K. government has included cephalopods and some crustaceans in a new bill that recognizes sentient animals.
An investigation into a recent collision involving a nuclear-powered U.S. submarine has revealed it hit an unmapped seamount in the South China Sea.
Hatchling octopuses are born with tiny, temporary organs that look like microscopic brooms. Researchers may finally have an idea what they do.
Australian researchers have discovered the widest, and quite possibly the oldest, coral colony in the Great Barrier Reef, which they have named "Muga dhambi."
NOAA researchers spotted a mysterious, blood-red jellyfish deep off the New England coast. It may be a new species unknown to science.
The metamorphoses the creature undergoes are so dramatic, it took scientists a century to figure out its different forms belonged to the same zoological family.
Acclaimed horror director Eli Roth has a new documentary on a horrific subject: the shark finning trade.
Researchers just sunk a drill 5 miles below the Pacific Ocean's surface to dig the deepest hole below the ocean in history.
A new study looks at how scientists captured the world's first (and second) recordings of a giant squid in its natural habitat.
A survey recently mapped a vast industrial dumping ground in the ocean basin between the Los Angeles coast and Catalina Island.
For the first time, researchers have captured images of bizarre brown trails on an Arctic ridge that appear to have been left by sponges crawling across the seafloor.