“Puget Sound is a key foraging area for Southern Residents in the fall. They regularly travel into this region pursuing Chum salmon, which make up a large majority of their diet during the fall and ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In 1987, a group of ...

For the first time in half a century, a group of killer whales, or orcas, returned to a cove in Washington's Puget Sound. Penn Cove is known for a roundup by hunters that took place in the 1970s. For ...

The orcas lurking beneath the surface of Washington state's Puget Sound are some of nature's most magnificent, imposing and endangered species. Stefanie Stockwell and Mindy Roberts, both longtime ...