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

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 ...

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

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

An alien-like creature ‘from another planet’ has washed up on a UK beach and been identified as a rarely seen sea creature. Georgina and Rob Pope were walking their dog, Nona, at Pakefield, Suffolk, ...

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) ...

About 5,000 species of crustaceans in the order Isopoda live in Earth’s oceans. According to the National Oceanic and Atmospheric Administration, they all have two pairs of antennae, compound eyes, ...

As you get closer to the bottom of the ocean, it gets darker, denser and stranger. All light from the surface has been absorbed, and only the most adapted species can navigate the lack of oxygen in ...

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 ...

In an age of exhausting AI-generated videos and manipulated images purporting to showcase real marine life that have never been seen by human eyes, it's easy to forget that there are actually ...

A mass die-off along the Texas coast has afflicted a strange, rarely seen creature — and recent cold weather could be to ...