New research shows how deep-sea fish evolved unique body shapes depending on depth and habitat, revealing surprising ...

Never-before-seen adorable pink bumpy snailfish with funny little beard filmed in deep canyon off California coast Paralvinella hessleri: The yellow worm that lives in acid and fights poison with ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some types of sea ...

In what may be the world's first-ever recorded sighting, a black seadevil — anglerfish known for living thousands of feet beneath the ocean's surface where the light no longer touches — was caught on ...

WELLINGTON, New Zealand (AP) — There are easier ways to cross an ocean, but few are as slick or stylish as the remora’s whale-surfing joyride. Scientists tracking humpbacks off the coast of Australia ...

"It's a whole new way of looking at what's in the ocean." In this undated file photo, a large group of yellowfin tuna is shown in the waters off Vibo Valentia, Calabria, Italy. Giordano Cipriani/Getty ...

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.

A hungry whale mid-gulp, a lazy seagull riding a sea turtle, an adorable-yet-deadly mini octopus and a group of alien-looking fish babies fused to eggs were some of the stars of a recent ocean ...

WELLINGTON, New Zealand — There are easier ways to cross an ocean, but few are as slick or stylish as the remora’s whale-surfing joyride. Scientists tracking humpbacks off the coast of Australia have ...