Surfer on Mola mola sighting: “Lots of people thought the flopping dorsal fin was a shark." ...

Deep sea holds alien-like species. The frilled shark, a living fossil, remains a mystery. Its unique anatomy includes six ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

Nature often outperforms imagination. While fantasy films rely on CGI and special effects, the real world quietly hosts ...

Children aboard a whale-watching vessel out of Newport Beach, Ca., on Wednesday appear to have thoroughly enjoyed their encounter with a bizarre-looking Mola mola. The accompanying footage, courtesy ...

A recent video shows a massive bluntnose sixgill shark emerging from the deep sea. This ancient species, predating dinosaurs, was filmed by OceanX during a tagging expedition. The footage has ...

A manatee was one of the latest in a long line of rare marine animals to turn heads along the Texas coast last month, and — in this case — hold up a $64 million state construction project. One of the ...