Off the coast of British Columbia, killer whales are tailing dolphins, and both seem to be rewarded with fishy meals. But not everyone is convinced it's teamwork—and the behavior may hint at other oce ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

A fisherman was arrested in India's northern state of Uttar Pradesh for "accidentally" catching a rare river dolphin and then eating it. Police were searching for four others involved in the incident.

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

Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica. Some also ...