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

OPALCO's proposed tidal energy project in the Salish Sea faces opposition due to concerns about its impact on endangered killer whales. The cooperative argues the turbine is necessary to prevent ...

Where there are Chinook salmon, the orcas will likely follow — including the mouth of the Columbia River. Despite what can feel like a desperate and futile effort to save the region’s venerated ...

In Patagonia, killer whales snatch seal lion pups from the shore. But as Steve Backshall recalls, these apex predators don’t just kill for food: they kill for fun. When filming in the region, the ...

ABOARD A BOAT IN THE STRAIT OF GIBRALTAR — From the surface, the azure waters seem calm and inviting in this narrow patch where the Atlantic Ocean meets the Mediterranean Sea. Spain’s arid coast looms ...

One of the world’s largest mammals, the humpback whale is an incredible species for many reasons. They may even be the ocean’s protectors. Researchers have witnessed humpback whales intervening during ...