Meet the Atlantic wolffish, green humphead parrotfish, and other unusual species with extraordinary adaptations.

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.

The fish was found at 200 to 2,000 meters below the surface. At least 16 types of recently discovered deep-sea fish are among the darkest creatures ever found, according to a study published Thursday.

Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

From worms with squid-like tentacles to fish with teeth on their tongues, here are some of the most alien-looking creatures in the deep ocean. When you purchase through links on our site, we may earn ...

This species is rarely seen near the water's surface, so the special sighting indicates the sanctuary is recovering from ...

Ashlee Lillis’ interview subjects don’t talk. But they have plenty to say through grunts, growls, clicks and other odd noises. “I put my hydrophone — which is our underwater microphone — on the end of ...

Headless chicken monster: The deep sea cucumber with tubular feet for gobbling sediment Never-before-seen adorable pink bumpy snailfish with funny little beard filmed in deep canyon off California ...