Discover the key differences between dolphins and whales, including their size, body structure, feeding habits, social ...

PORTLAND, Ore. (KOIN) — Two different populations of killer whales that live in the North Pacific are now thought to be different species, a new study published by the Royal Society shows. Phil Morin, ...

SEATTLE —For more than a century, killer whales have been understood to be just one worldwide species, Orcinus orca, with many types. But now, after decades of work, scientists have determined the ...

Scientists took samples from whale blow, identifying possible disease risks for marine mammals in northern seas.

Endangered southern right whales can live twice as long as scientists thought, a new study shows. These whales often reach 130 years old, and may even reach up to 150 years old, the study found.

Cetaceans are among the most intelligent creatures in the ocean and many whales have used their big brains to develop cunning ...

Drone video of gray whales captured over seven years off Oregon has revealed new details about how the giant marine mammals find and eat food. Among the findings, described in two studies published ...