Revered and feared, sharks hold an unparalleled place in the human imagination. They are the ocean’s apex predator. The stuff of nightmares. The lurking specter of myths. Scientists tell us that ...

The ocean basins are so vast and deep that they hold about 97 percent of the Earth's water. Sea water that's trapped in glaciers and ice caps accounts for another two percent. Do the math: That means ...

Climate change is making ocean water more acidic. A new study suggests that a drop in pH could erode sharks’ teeth.

Sharks live in the ocean. Surfers do not. We are merely visitors, occasionally entering the domain of sharks (and many other creatures), enjoying all that the ocean has to offer (surfing, swimming, ...

Greenland sharks are mysterious, deep-dwelling creatures that can live to be an average of 272 years old. Footage courtesy: ...

By Hallie Lieberman When Laurie was a kid, she had recurrent nightmares that featured her getting eaten by a shark. Decades later, Laurie goes to sleep next to them (or at least in the same house).

(CNN) — How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As ...