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 ...

We issues alerts in many instances when the Climate Shift Index identifies a notable extreme weather event around the world that was made more likely by human-caused climate change. Climate Matters is ...

When three killer whales struck the Lady L, Heath Samples thought a tanker had collided with his yacht, as everyone on board was knocked off their feet. After the orcas repeatedly buffeted the yacht, ...

First observed in the 1980s, the fad of orcas swimming around with dead salmon on their foreheads off Washington State seemed to have faded—until now. An orca from the southern resident population off ...