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.