"We are witnessing an evolutionary process." Scientists discovery cause behind recent killer whale attacks: 'They should be divided' first appeared on The Cool Down.

"The situation with [them] can serve as a cautionary tale." Scientists notice behavior shift in isolated whale species first appeared on The Cool Down.

The Mediterranean Sea is home to some of the ocean's largest animals. Among the nine species of cetaceans commonly found along its western shores are the fin whale (Balaenoptera physalus, the world's ...

The sighting marks the first time endangered blue whales have been recorded in this area of Massachusetts waters.

At least 30 blue whales have been spotted in the waters of Loreto Bay National Park this season ...

Blue whales are the largest mammals in the world, and they spend much of their lives roaming the deep ocean, where they feed on vast amounts of krill. Blue whales usually inhabit the open sea and are ...

Bowhead whales survived thousands of years of climate change, but human hunting caused damage that still continues today.

Estimates suggest there are about 50 remaining Rice’s whales in the Gulf of Mexico, which the Center for Biological Diversity claims are at heightened risk from additional oil and gas activity.

Since 2008, the National Oceanic and Atmospheric Administration, or NOAA, has imposed speed restrictions on ships 65 feet and ...

Division the North Atlantic right whale was spotted entangled in fishing gear on Dec. 3 Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013, covering pets, animal ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...