Long considered the kings of the oceans, great white sharks are seeing their supremacy challenged by an unexpected adversary: ...

Over a year after a 15-foot great white shark was found dead with mysterious bite wounds and stripped of its internal organs, DNA analysis uncovered its killers. Two animals, orcas, also known as ...

The fossilized remains belong to Cosmopolitodus hastalis – an extinct mackerel shark closely related to the modern great white shark ... into the shark’s anatomy, but it also reveals clues ...