A scuba-diving Santa Claus gives an early Christmas treat to a Beluga whale at the Yokohama Hakkeijima Sea Paradise aquarium ...

You can bet this guy bragged all about getting the biggest catch of the day as soon as he got back to land.

A whale wakes up on a New Zealand beach ... Beached Whale animation as bro anthony macfarlane jarod green nick boshier new ze...

Off the coast of Argentina, seasoned killer whales hunt sea lion pups. See all National Geographic videos: video.nationalgeog...

A young whale shark dies as it washes ashore on Manila Bay, although experts find no sign of external injuries.

To us humans, the underwater world is silent, but in reality it is alive with sound. Whales call each other over distances of...

Amid the schools of yellow fin tuna and bonitos glide some of the largest but gentlest of the monsters of the sea at one of t...

Much like humans, whales like to head towards the Caribbean for the winter.

Marine biologists were standing watch on Tuesday over a young whale that lost its way in New York harbor and nearly wandered ...

Until recently I knew nothing about the dolphins and whales living in the Mediterranean. Then in July I accompanied the Swiss...