Biological matter left behind in the water allows us to follow these animals without ever setting eyes on them.

The saga of five captured orcas in Puget Sound – a story which had captivated the state for days – took a dramatic turn when two of the orcas slashed their way through a net and escaped.

Marine life researchers are tracking a mysterious pod of orcas recently spotted moving through the Salish Sea.

One and a half years of pregnancy, up to two years of nursing, then hunting and sharing food with their adult children who never leave. Orca moms go hard. "There's a long, long cost of taking care of ...

Fish-eating killer whales in southern Alaska may have a more varied and flexible diet than previously understood. Credit: Shutterstock A long-term study using DNA from whale scat has revealed ...

Orcas, or killer whales, are deadly and beautiful apex predators. The Democrats who voted against the War Powers Resolution Heavy snow warning as up to 18 inches set to hit Prediction: The Trump bull ...

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Fernandez retrofitted an Isuzu NPR from the early 2000s into the orca, complete with a cherry on top of the cab, for what he calls the Montana Orca Project. With Killatrina, he hopes to inspire people ...