Across the world’s oceans, killer whales share the same striking black‑and‑white look yet live radically different lives.

Orcas, or killer whales, are deadly and beautiful apex predators. More than 90 charged over alleged Minnesota fraud Tatiana ...

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

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...