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 ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

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.