The NYPD leader has spent her career quietly fixing intractable problems — what happens when the biggest one is the mayor?

French’s wife, Laurel Pearson, an anthropologist who also teaches at Penn ... Warming waters have shifted arctic char to the north and pushed more killer whales into the Hudson Bay, where they compete ...

Two killer whales have killed dozens — if not hundreds — of sharks, including the vaunted great whites, with an ease that has ...

A killer whale has become a first-time mom after a peachy-orange calf was spotted swimming with her off Washington, a whale ...

A rare sighting of critically endangered southern resident killer whales off the Oregon coast offers a glimpse of a ...

It was a shocking discovery. Killer whales eat a wide range of food as a species, from fish to squid to marine mammals such as seals. But different groups often have specialized diets based on ...

These creatures eat sea lions, porpoises and other whales. There are about 400 Bigg’s killer whales swimming off the Pacific Coast that travel from northern California to Alaska and are commonly ...

“Based on the shape of the fin and the white lips, I would say it’s a pygmy killer whale.” Experts said there has never been a sighting of a true albino whale of any species in Hawai ...