With roughly 45 teeth, each up to 10cm long and 4cm wide, orcas are perfectly engineered for ripping and tearing prey. These ...

New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists ...

While well documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in Australia. However, orcas are actually sighted year-round in all coastal ...

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 ...

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making tools.

Orcas, or killer whales, are deadly and beautiful apex predators. Smithsonian removes Trump impeachment text as it swaps his ...

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 ...

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 ...

A pod of endangered Southern Resident Killer Whales were spotted off the coast of Monterey Bay, California. The whales rely on Chinook salmon as their primary food source, but salmon populations are ...

The Salish Sea is one ecosystem but Canada and the US are playing by different rules when it comes to protecting threatened ...