Every year on July 14, people celebrate World Orca Day. This day highlights the beauty, intelligence, and plight of orcas.

Haight listed several popular viewpoints in Pierce County for seeing the whales: ...

Using sightings over four decades, researchers have pinpointed three main orca habitats off Australia, with key differences ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

A new report from a group of more than 30 experts says a population of endangered killer whales off the coast of British ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.

The report recommends ensuring the orcas have "priority access" to early-season chinook in the Fraser River through fishing closures. It also calls on government to identify seasonal and annual prey ...

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Orcas, or killer whales, are deadly and beautiful apex predators.