Apparently these deadly predators were the reason why whales were much smaller millions of years ago. Few fish are as steeped in myth and conjecture as the megalodon, a giant shark that lived ...

This article concerns a five-metre marine mammal identified as the spade-toothed whale (Mesoplodon traversii). During the ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Why it matters: The ...

A solitary killer whale, or orca, has been filmed hunting and killing a great white shark in an "astonishing" attack. Scientists said it was "unprecedented" and showed the exceptional predatory ...

Though whale sharks are enormous — capable of growing up to 60 feet long — they are known to be gentle creatures. Conversely, orcas can grow roughly 32 feet long and are apex predators.

Caption: Warming of Arctic waters due to climate change is leading to new interactions between killer whales and other species that could have major consequences for the ecosystem, a University of ...

Our small team of scientists and filmmakers has travelled for weeks to be in this position, able at last to observe and ...

Orcas in the Gulf of California appear to have gained special skills to hunt and kill the world’s largest fish, according to a new study. Whale sharks, which grow up to 18m long, are known to ...

Killer whales (also called orcas) are apex predators, meaning they are at the top of their food chain. They feed on fish and squid like other odontocetes (toothed whales) do, but will also target ...

Indohyus looked like a mouse-deer or a large racoon, but had the ears of a whale—and its fossil was ... [+] found high up in the Himalayas. The evolution of the greatest mammal on earth is a ...