Research suggests that dolphins develop a lifelong vocal “name.” Here’s how they evolved this high level of social identity, once thought to be uniquely human.

Off the Pacific coast of Canada, scientists have captured something that challenges long‑held assumptions about life in the sea: killer whales and dolphins moving in sync as they pursue the same prey.

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 ...

A quick splash, a sleek fin cutting through the surface, and then—gone. Dolphins don’t perform on cue, but when you spot one, even for a moment, it truly does make the ocean feel alive. Some places ...