A study from the University of Washington confirms what scientists have long speculated about how marine vessel noise interferes with whales. Female orcas with young calves avoid areas where boat ...

Researchers used a line array of hydrophones towed behind a ship for three weeks in the 1980s. They collected data nonstop, listening to all the sounds in the ocean. One such sound was the enigmatic ...

Killer whales or orca (Orcinus orca) have been observed hunting with Pacific white-sided dolphins (Lagenorhynchus obliquidens) in the waters off British Columbia, Canada, and sharing fish scraps with ...

Whale researchers on Saturday spotted orcas that are part of the endangered Southern Resident pod. They’re back in Puget Sound, for the first time since April. Observers say the whales are members of ...