Sharks have been swimming Earth’s oceans for more than 400 million years, evolving into an incredibly diverse group of ...

Researchers off the coast of New Zealand caught a rare sight on camera - an octopus hitching a ride on the back of an ultra-fast shark species.

(via PBS Eons) Long before the rise of the great whites and hammerheads we know today, sharks and their cartilaginous relatives ruled Earth’s oceans and rivers in astonishing variety. It was the ...

Basking sharks, despite their size, pose no threat to humans. They have tiny teeth, no interest in large prey, and spend most of their time following plankton blooms. Just in time for the 50th ...