Blue whales are fascinating animals. At 24–30 meters in length (longer than a basketball court) they are the largest creatures on Earth. They are also among the rarest. Estimates suggest that there are only about 5,000 ...
Whales and dolphins have been officially recognized as "legal persons" in a new treaty formed by Pacific Indigenous leaders from the Cook Islands, French Polynesia, Aotearoa (New Zealand) and Tonga.
Dolphins and whales use sound to communicate, navigate and hunt. New research suggests that the collections of fatty tissue that enable toothed whales to do so may have evolved from their skull muscles and bone marrow.
More than 150 years ago, a San Francisco whaler noticed something about killer whales that scientists may be about to formally recognize—at least in name.
University of Otago researchers have formally identified and named a fossil dolphin which they discovered has a unique feeding method.
They didn't exist a century ago but today PFAS "forever chemicals" contaminate the environment from groundwater to Antarctic snow to turtle eggs, and concern over their possible toxicity is growing.
When large numbers of gray whales began washing up along North America's Pacific Coast nearly six years ago, marine scientists could only speculate on the reason: Was it disease? Ocean pollution? Increasing ship collisions?
Scientists have resolved one of the outstanding questions about one of the world's most recognizable creatures, identifying two well-known killer whales in the North Pacific Ocean as separate species. The research is published ...
Scientists have successfully carried out pioneering fecal microbiota transplantations on Navy bottlenose dolphins that showed signs of gastrointestinal disease.
A group of killer whales spotted hunting off the coast of California and Oregon over two decades may actually be their own unique population of animals, a new study says.
