Blind as a bat. See like a hawk. Eagle-eyed…Eyes like a shark? As humans, we’ve long been fascinated by the capabilities, or lack thereof, of creatures throughout the animal kingdom. While some ...

New research shows how the Greenland shark’s heart keeps working for centuries by tolerating aging rather than avoiding it.

You may think that since sharks have noses, they use them for breathing. However, unlike mammals, they use them only to smell, not to breathe. Sharks are fish, so they do not have lungs, either. So ...

1. Introducing sharks, skates, rays, and chimaeras -- What are sharks and how are they classified -- How many kinds of sharks are there -- How did sharks get their name -- Where do shards live -- When ...