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. A pygmy sperm whale was ...

As the whale watching boat slowly approached, the passengers saw something strange in the water—an 80-foot cloud of red-brown liquid. Just minutes later, an orca hurled a small whale into the air.

Cetaceans are among the most intelligent creatures in the ocean and many whales have used their big brains to develop cunning ...