While many shark species inhabit the ocean’s upper waters, some prefer its colder depths, with a few species growing to massive sizes. In this video, we shed light on the five largest deep-sea ...

This deep-sea shark is one of the world’s largest glowing animals. A new study has found that three species of deep-sea shark, including the six-foot-long kitefin shark, are bioluminescent.

It’s the biggest bioluminescent vertebrate found on land or sea, so far. By Lesley Evans Ogden As they prowl the oceans, sharks aren’t just hunting. Some of them are glowing. And now ...