Navy study: Sonar, Blasts Might Hurt More Sea Life

The U.S. Navy may hurt more dolphins and whales by using sonar and explosives in Hawaii and California under a more thorough analysis that reflects new research and covers naval activities in a wider area than previous studies.

Can Whales Predict Tsunamis?

As tsunami warnings hit the Indonesian and Sri Lankan coasts last week, observers at sea watched as every species of cetacean, from massive blue whales to diminutive spinner dolphins, vanished in the space of a few minutes.