Bowhead whales follow daily dive cycles and may coordinate across long distances. The calls show efficiency, possibly reflecting social ties.

Kayakers in the Puget Sound can get a thrill when they encounter killer whales. What should you do if you see orcas in the wild?

A mysterious whale that has puzzled scientists for decades may not be an anomaly, but a clue to what climate change is doing ...

For years, a strange and unsettling noise coming from the Mariana Trench, the deepest part of the ocean, puzzled scientists.

The black and slightly orange Bigg’s killer whale was spotted swimming with its mother, Sedna, in the Salish Sea ...