O ff the coast of Papua New Guinea, a "dwarf"-like sea creature with spotted eyes swam around a reef. It darted into a nearby ...

New research has unraveled the mystery of how microscopic cilia coordinate to move and propel marine creatures through water.

Miami Seaquarium may have closed, but the dolphins and other marine animals who've spent years performing for paying ...

Photos taken by blackwater divers offered a new glimpse into the early life stages of marine fishes and their interactions ...

Off the southern coast of Iran, fishermen hauled in their catch and started sifting through it. A “large”-headed sea creature with “very small teeth” drew their attention — and for good reason. It ...

While fishing off the coast of Thailand, a group of fishermen noticed a massive underwater shadow approaching their boat. It turned out to be a rare sighting of an at-risk sea creature.

Mikey’s golden pygmygobies were “typically found deep within caves” of offshore coral reefs, the study said. The fish were seen swimming “along the surface of cave roofs and walls in small groups of ...

River otters, manatees, sea turtles, penguins and sharks are among the marine animals getting a new home in Florida.

From corn mazes to haunted houses, the spooky season is in full swing. Jack-o-lanterns, ghouls and goblins are around every corner, but the scariest creatures of all might be thousands of feet below ...

Iguanas are not typically considered marine creatures — except for the marine iguana. This species of iguana has evolved to be a master of the underwater world, relying greatly on what the ocean has ...

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

A team of scientists digging up some of the Earth’s oldest rocks has uncovered new chemical evidence that Earth’s first ...