Killer whales may all look alike, but molecular biology indicates there are at least three distinct species of orca and maybe five or more, researchers reported Thursday in the journal Genome Research ...

This week, the San Juan Islands have become a hotspot for orca sightings, drawing enthusiasts and researchers alike. The increased frequency of... The post Orca sightings peak in San Juan Islands this ...

While orcas, also known as "killer whales," are a common sight in the northeast Pacific Ocean, they’re rarely detected in the northwest Atlantic Ocean, where little is understood about pods that swim ...

Scientists have classified orcas as “data deficient” on conservation lists. These are the questions that keep them up at night. These killer whales seen off the continental shelf of northeastern New ...

A new J-Pod orca calf was spotted last week in the Puget Sound, less than two weeks after a mother carried her dead baby near ...

SEATTLE — An orca species unique to the Northwest and closely connected to indigenous populations is struggling to survive. The Southern Resident Killer Whales, or SRKW, currently have a population of ...

Southern Resident Killer Whales have reason to rejoice after a healthy baby orca was born recently in or near Puget Sound.

An orca calf born to J36, aka Alki, died within the past three days, the Center for Whale Research reported Saturday.