For the last five-plus years, killer whales have been ramming – and in some cases sinking – expensive yachts, sailboats and fishing boats in the crystalline waters off the coasts of Spain, Portugal, ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them ...

When three killer whales struck the Lady L, Heath Samples thought a tanker had collided with his yacht, as everyone on board was knocked off their feet. After the orcas repeatedly buffeted the yacht, ...

A pod of orcas in the Gulf of California has repeatedly hunted juvenile white sharks to feast on their livers.

A team of marine biologists are investigating the mysterious mass stranding of orcas in Argentina, after 26 killer whales were found on the beach with no signs of injury or trauma. Specialists at the ...