Researchers say the behavior has never before been observed in the population. Watch dolphins and killer whales hunt together ...

Sarah Fortune, a marine ecologist at Dalhousie University in Nova Scotia, and her colleagues used drones and camera-equipped ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals.

It’s estimated that there are around 3,000 to 4,000 whales, dolphins, and porpoises in captivity around the world. The ...

A new study offers rare insights into how two species use each others’ sounds, size and speed to eat better together than ...

The House of Commons in Canada passed a bill that would make it illegal to hold whales, dolphins and porpoises captive. The "Free Willy" bill passed on Monday. Currently, there are only two aquariums ...

Despite their name, killer whales (orcas) are actually dolphins.

OTTAWA, Ontario (AP) — The Marineland park near Niagara Falls asked the Canadian government on Friday for emergency funding to feed and care for its whales, saying euthanasia is otherwise imminent.

Thirty beluga whales are still alive days after a Canadian marine park threatened to euthanize them if the government did not provide immediate emergency funding, according to officials. "We can ...