Without any eyelids for protection, whale sharks need to get creative. They have "armored eyes" covered in teeth and can ...

"The tiger sharks of Tiger Beach have a unique hobby: stealing cameras," Nascimento wrote in the caption. "Shiny objects, lights, and sounds catch their attention, and since they don’t have ...

Sharks are saltwater predators that live in the ocean. However, it turns out that a unique shark species, the bull shark, tends to swim outside the box—and right into the freshwater of the ...

Scientists have uncovered new genetic clues behind the extraordinary lifespan of the Greenland shark, a species that can live ...

NOVA: Sharks have an endless supply of teeth? Gruber: Yes, and they are unique in this way, too. They produce teeth continuously. Their teeth are not set in sockets like those of other vertebrates ...

Greenland sharks, with lifespans of up to 400 years, are the longest-living animals on Earth. They inhabit the cold depths of ...