Add Yahoo as a preferred source to see more of our stories on Google. Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on ...

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 relationship between whales and dolphins has long been shrouded in mystery. But, new research reveals that — despite their vast difference in size — these marine mammals often enjoy playful ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals. A new study is the first to document cooperative hunting between orcas and ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

It was a once-in-a-lifetime encounter. A tour group encountered two whales and a pod of dolphins while riding Sea-Doos from Catalina Island to Long Beach. "These whales were either curious or playful.