MAMMOTH CAVE, Ky. — A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in Kentucky. The small shark named Clavusodens mcginnisi, or “McGinnis ...

Researchers from the University of Aukland got a chance sighting of an octopus hitching a ride on the back of a shark, which ...

Researchers have discovered a new-to-science species of ancient shark during an ongoing paleontological resource inventory at ...

Researchers also found a ghost shark, several other species of shark, two unidentified rays and some known ray species. “This study lays a strong foundation for future research,” the team wrote.

Researchers in New Zealand saw a colorful blob on top of a shark’s head ... Darwin’s Frogs: Males of the South American species incubate their young in their vocal sacs.