About 360 million years ago, a huge armored fish patrolled a shallow sea that once covered what is now Cleveland. This animal, known as Dunkleosteus terrelli, has long held a place among the most ...

Half a billion years ago, a feisty predator flapped around the primordial seas, hooking prey into its mouth while breathing through long gills on its butt. Researchers recently discovered this 506 ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Scientists have uncovered a remarkable fossil from Canada's Burgess Shale, a discovery that reshapes how the evolution of arthropods is understood. This new find, named Mosura fentoni, lived roughly ...

Scientists have discovered a small three-eyed predator called Mosura fentoni. Nicknamed the “sea moth”, the creature lived in the ocean about 506 million years ago. The new study was published on May ...

Deep below sunlight, a rarely seen frilled shark reveals ancient anatomy, slow reproduction, and mysterious habits, offering ...

Sargassum swimming crabs live in floating seaweed in the Atlantic, Caribbean and Gulf of Mexico (renamed by the U.S. government as Gulf of America). They are camouflaged and small but aggressive ...

All of Earth’s creatures have the potential to slowly fossilize, making them discoverable after millions of years to be studied and entered into the annals of science. That includes those that have ...