The Magnapinna, a species of bigfin squid, is rarely seen by humans. This one made a surprising appearance during a NOAA ...

Though once thought to be siphonophores — colonies of specialized zooids — the velella velella is now classified as a single ...

It’s the invisible shield that keeps us alive—but what if Earth’s atmosphere vanished for just one day? Within seconds, the ...

The adult gray whale, entangled in a gillnet that got caught on a rock crab trap, was “anchored in place” on the sea floor, ...

Though interesting to look at, the Portuguese man-of-war’s venom can be deadly to small fish and painful to humans, according to the National Oceanic and Atmospheric Administration. The creature has a ...

A massive sea creature created an “incredible” experience for boaters off the coast of California, onlookers said.

Another dead whale was discovered in the waters of the San Francisco Bay, the fifth creature found in the area in less than a ...

A sea creature was rescued from an entanglement off the coast ... according to an April 14 news release by the National ...

A proposed rule would narrow the definition of harm under the Endangered Species Act and could open the door to more mining, ...

Scientists found "a beautiful, thriving ecosystem" in a dark and isolated location: The former shadow of a glacier.

Boaters got the chance to experience an “incredible” California sea creature sighting. A group of bystanders aboard a boat ...

MARCO ISLAND, Fla. (WFLA) — A highly venomous blue-colored and balloon-like creature is washing up on a Florida beach. NBC ...