The marine mammal — an infrequent visitor to the shores of the Emerald Isle — was spotted in the Waterford Estuary on the ...

Whale sharks sure are impressive creatures. The largest fish in the oceans, they are linked to sea creatures from as long ago as 245 million years. Their size is magnificent — the largest one ...

HEARTSTOPPING footage shows the moment two giant whales move in to protect a diver from a bloodthirsty shark. Benoît Girodeau ...

In a rare ocean encounter, two 45-ton whales chase off a whitetip shark to protect a diver from potential danger.

The whale shark isn’t just the largest fish in the world, it’s the largest animal that’s not a cetacean. The average length ...

Megalodon was likely a long, streamlined predator, not a bulky giant. Scientists compared its bones with modern sharks.

Fifteen million years ago, now-extinct species of dolphins, whales and large sea cows roamed the world’s oceans, topping the underwater food chain. Yet back then, any one of these creatures ...

Clearwater Marine Aquarium Institute said on March 13, an aerial survey team spotted an orca off the coast of Kitty Hawk.

From diving into the colorful coral reefs of the Great Barrier Reef to swimming alongside whale sharks in the Maldives, the ...

A sperm whale was recently seen swimming in a shallow estuary in Ireland — a rare occurrence that worried conservationists. Fortunately, the large creature “lived to tell the tale.” ...