Whales are the biggest creatures on Earth. These animals are found in every ocean, but that doesn't make them fish.

Decompression sickness can occur when a mammal swims to the ocean's surface too quickly, and the change in pressure produces lethal nitrogen gas bubbles that clog its blood vessels. As deep divers ...

WASHINGTON— The Center for Biological Diversity will head to Capitol Hill on Wednesday, June 8 to distribute Endangered Species Condoms in honor of World Ocean Day and mark the 50th anniversary of the ...