Pacific Ocean

One killer whale from a pod hunting a crabeater seal on an ice floe when a pair of humpbacks (one in the foreground) charged in and drove off the killer whales. Credit: Robert L. Pitman

How Humpback Whales Save Other Mammals from Being Hunted

A Japanese fish found in Washington after hitching a ride in a boat sent across the Pacific Ocean by the 2011 tsunami. Allen Pleus (author provided)

How the Japanese Tsunami Sent Marine Invaders Across the Ocean – and Why You Should Be Worried