Gliding gracefully through the marine waters, the blue whale is considered to be the largest creature to have ever existed.

Cape Town - This particular sperm whale evidently has no regard for his fellow swimmers, as he calmly answered a call of nature on top of an unlucky bunch of divers who were engulfed the dark, heavy ...

and ship strikes—the last is especially deadly for blue and fin whales, says Hazen. (It’s the world’s newest whale species—and it’s already endangered.) Responsible whale watching can ...