Killer whales have sunk three boats off the coast of Spain and Portugal so far this year. But experts agree that the behavior is not malicious.

The classic book Moby Dick features an enraged, giant white whale that rams and sinks a ship – and four terrified gals and ...

Orcas have been observed ramming boats and even sinking some of them. But this isn't new. Here's a video from 2014 of a pod of orcas chasing a speedboat.

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, ...

In another wild instance of orcas attacking ships, three orcas were filmed off the coast of Lisbon, Portugal, going full send on a small boat until the rudder was detached and the vessel started to ...

Killer whales are not known for attacking people. The attacks and subsequent deaths that orcas have caused have taken place when killer whales have been taken into captivity and kept in small tanks, ...

A seal narrowly escaped becoming orca food when it hopped onto a boat of whale watchers. Kirk Fraser captured footage of the incredible scene in British Columbia, where the seal tried to keep its ...

The historian Procopius described how a creature called Porphyrios terrified sixth-century sailors for 50 years. But what was ...