The name "killer whale" is a misnomer. Orcas, aka killer whales, are actually dolphins. Orcas are the largest member of the Delphinidae family, which includes dolphins and other species. Like dolphins ...

Dolphins have been attacking swimmers at a beach in Japan and some think it may be the animals getting revenge. Four swimmers have so far been injured by dolphins off Suishohama beach near Mihama, ...

The owner of a San Diego-based whale-watching business on Friday shared a video clip showing an orca lunging after an elusive dolphin during an “amazing game of cat and mouse.” But Domenic Biagini ...

In the Humboldt Current, off the coast of Chile, an enigmatic pod of orcas has been seen tearing apart unexpected prey. What's even more surprising is the way the orcas then divvied up and shared ...

Whales are the biggest animal on the planet, dolphins are comparably smaller, but are they all one “big” happy family? They all belong to the Order Cetacea which is the group of sea mammals that ...

The owner of a San Diego whale-watching company this week shared extraordinary footage showing Eastern Tropical Pacific killer whales preying on dolphins during recent visits from Mexico. The footage ...

Some lucky whale watchers were treated to a once-in-a-lifetime spectacle — courtesy of Mother Nature — off the Palos Verdes coast on Tuesday, Jan. 2. A pod of Eastern Tropical Pacific orca whales, ...

The concept of socialist orcas from South America might sound bizarre, but these killer whales that redistribute their food among the pod are very real. While their black and white coloring is ...

Shocking footage reveals orcas and dolphins 'swimming aimlessly' in a deserted marine park in France. Two orcas and 12 dolphins are trapped in Marineland Antibes, a park near Cannes that closed in ...

Animal rights advocates have warned that 'time is running out' for orcas Wikie and Keijo, who remain trapped at France's now-defunct Marineland of Antibes.

The owner of a San Diego-based whale-watching business on Friday shared a video clip showing an orca lunging after an elusive dolphin during an “amazing game of cat and mouse.” But Domenic Biagini ...