Whale sharks are the largest fish on the planet; the average whale shark is between 18 and 40 feet long, though the Georgia ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.

Narwhal whales live in social groups called pods and live in the Arctic ocean. Experts disagree on the purpose of males' tusks. Corey Ford/Getty Images/iStockphoto hide caption ...

When you think of scary animals, what comes to mind? Maybe lions, hippos or snakes? But you might be surprised to know that ...