The marine animal had surfaced momentarily to catch a breath when the diver identified it as the perfect opportunity to take ...

Photos of the encounter show the whale shark breaking through the army of barracudas and swimming through the pure blue ocean ... stunning shot during the underwater session.

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Caption This is an audio recording of a blue whale's "song" (2.5 minutes) captured by San Francisco State University Professor Roger Bland at Pioneer Seamount Underwater Observatory off the coast ...

Example photo of a humpback whale ... Scientists deploy underwater microphones called hydrophones to study and track baleen whales, which communicate over long distances through sound.