Whales and dolphins are some of the smartest animals on Earth – and when it comes to hunting prey, they are particularly ingenious

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior. Researchers observed orcas across six separate populations ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making their own tools. Humans are far from being the only member of ...

In the ocean, different animals have their own unique self-defence strategies to help them survive predators. Some, like crustaceans have hard shells to protect their vulnerable parts. Others go on the offensive; for example, blue-ringed octopuses strike back at attackers with a venomous bite.

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory behavior had never been documented in the region.