The clicking of flattened teeth, discovered by accident, could be “the first documented case of deliberate sound production in sharks,” evolutionary biologist Carolin Nieder, of Woods Hole ...

"One of the best things about being a marine scientist is that you never know what you might see next in the sea," writes ...

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...

“We could see these tentacles moving,” she added in a March 20 interview with The New York Times.