A beluga whale named Juno intensely watches a mariachi serenade him at the Mystic Aquarium. Check out the video.
Summer is anniversary time for many shark attack survivors, including Discovery News guest commentator Debbie Salamone.
Female southern elephant seals from an island between South Africa and Antarctica are skipping the traditional harems and finding equal opportunity for love at sea.
Underwater photographer Francis Perez captured detailed images of the rarely seen enigmatic smalltooth sandtiger shark.
Studying dolphin blubber may yield insights into better treatments for skin injuries in the future.
A Japanese government report hints at the prospect of an end to whaling in the Southern Ocean.
Whale watchers look on as orcas snatch two humpback whale calves from their mother.
Around the world, governments are taking stock of oil submerged aboard long-sunk, deteriorating vessels.
Seabirds can smell out good partners and choose to mate with genetically dissimilar partners.
A new study finds that more polar bears may be swimming longer distances, and more cubs may be dying, as sea ice shrinks.