A pod of orcas swam close to shore and amazed onlookers in Seattle by treating the whale watchers to the rare sight of the apex predators hunting a bird. And the unusual spectacle was all caught ...

PBS Nova explained how a small, furry prehistoric four-legged, semi-aquatic carnivore called the Pakicetus was a direct ...

Start the day smarter. Get all the news you need in your inbox each morning. Whales are carnivores who feast on other animals like plankton, crustaceans, fish, squid, sea birds and even fellow ...