In a day of sadness and surprise, researchers on Puget Sound on Tuesday found J61, the new calf born to mother orca Tahlequah, had not survived—and that a new calf had also been born to J pod. Lolita, ...

A new online database catalogues the unique calls made by various groups of orcas on the West Coast, making the audio available to anyone.

ANTIBES, France — A female orca at a marine park in France has learned a handful of words and can mimic human language, according to scientists. The 16-year-old killer whale, named Wikie, can say ...

These maps reveal how climate change influences daily local weather, ocean temperatures, and tropical cyclones. Climate Shift Index: Tropical Cyclone Find out how climate change has shaped past and ...