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

Add Yahoo as a preferred source to see more of our stories on Google. Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet ...

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 ...

Seeing even one of these sea creatures is rare.

A towering, centuries old sea creature has been found rising from the seafloor off New Zealand, its branches forming a living ...

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

A sea creature washed up on the Maine shore. Getty Images/iStockphoto A giant sea creature that washed up on the Maine shore has fascinated beachgoers, but city officials have a strict warning for if ...

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 ...