The killer whales have displayed a range of entree options, including seaweed, stingrays, fish, and birds. Scientists believe this may be an example of interspecies reciprocity.

Killer whales learn 'coordinated' attacks on sailboats, some observers say Orcas may be teaching each other new ways to strike boats, observers say.

Killer whales (orca) are massive aquatic mammals and members of the dolphin family. Even though these creatures may resemble other gentle giants in the sea, the killer whale lives up to its name.

(Web Desk) - Across oceans and decades, killer whales have been caught doing something no one expected—offering food to humans. From California to New Zealand, 34 documented incidents reveal orcas ...

Killer whales are one of the most intelligent animals; only humans have a larger brain relative to their body size, according to the study.

More tariff letters, Trump hosts African leaders, generous killer whales & more President Donald Trump has sent tariff letters to at least eight more countries.