Dramatic landscapes and rich biodiversity characterize Alaska’s unique environment. Alaska is the only US state with ...

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a published study in the journal Ecosphere. The types of fish ...

Word and photos of Vancouver’s mystery orcas reached marine biologist Emma Luck in Alaska. A year earlier, she had been ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

Seals and sea lions may look similar at first glance, but the differences between them are far more significant than most people realize. Both evolved from land-dwelling ancestors and adapted to life ...

Killer whales are apex predators capable of hunting seals, sharks, and even large whales. Despite their size and power, there are no confirmed fatal attacks on humans by wild orcas. Their hunting ...

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

Researchers from Mystic Aquarium are heading to the icy tundras of Canada to study beluga breath. That’s the white-plume mixture of water cells, proteins and lung fluid that whales exhale when they ...