In the early morning Thursday, killer whales smashed into a sailboat off the southern coast of Spain, puncturing its hull and damaging its rudder. Spanish authorities raced to save the sinking ...

At least 20 interactions between orcas, or killer whales, have been documented in the last month off the coast of Europe.

Endangered orcas at risk from U.S. Navy, activists warn Endangered orcas at risk from U.S. Navy, activists warn 06:54 Reports of killer whales appearing to try and capsize boats off the coast of ...

New research suggests that inbreeding may be a key reason that the Pacific Northwest's endangered population of killer whales ...

A small group of orcas is ramming into sailboats in waters off the Iberian Peninsula. Researchers say they do not know what is driving the unusual behavior toward boats. Send any friend a story As ...

An envelope. It indicates the ability to send an email. An curved arrow pointing right. Although orcas are technically dolphins, their size and ferocity have earned them the nickname "killer whale." ...

A pod of killer whales repeatedly rammed a yacht in the Strait of Gibraltar this week, damaging it enough to require Spanish rescuers to come to the aid of its four crew members.

But only a very small percentage of these encounters have involved physical contact, and only a handful of animals in this small endangered population of orcas appear to have engaged in the ...

Endangered orcas at risk from U.S. Navy, activists warn Endangered orcas at risk from U.S. Navy, activists warn 06:54 Reports of killer whales appearing to try and capsize boats off the coast of ...

Orcas have slammed into multiple boats off the coast of Europe — among at least 20 interactions in the last month between orcas and boats, research group GTOA reported, per Reuters. On Thursday, a pod ...

Orca and human brains have similar features that give them high-functioning abilities like empathy. Orcas also have a high sense of self-awareness, which they use to develop unique hunting tactics.