Two orca pods, including one with a new baby killer whale, humpback whales and dolphins are spotted off Monterey, California. ... “It was so cute,” Talty said.

Killer whale mom who carried her dead baby for 17 days across 1,000 miles of ocean gives birth to ... The cute calf was spotted traveling with its mother and other members of the whale pod by ...

The 26-year-old mother killer whale, known to experts as T35A or Lester, is one of more than 300 individual killer whales catalogued by Canada’s Department of Fisheries and Oceans.

Killer whale punts a sea lion 20 feet in the air to show calf how it’s done. A killer whale calf that is several months old swims with an adult in its pod during a hunting session.

To start a kelp-based grooming session, an orca places the bull kelp stipe on its face and nuzzles against another killer ...

WILD NATURE Killer whale mothers protect their sons more than their daughters, new study finds Once a mother whale stops breeding, she's more likely to help her male offspring than the females ...

Despite the name “killer whale,” there’s only one well-documented instance of a wild orca attacking someone — Hans Kretschmer, who was bitten on the leg while surfing in California in 1972.

A killer whale was spotted balancing a salmon on its head. It’s not clear what the behavior means, but orcas were observed doing the same thing in the 1980s.

In 1992, a colleague had returned from a fishing trip in Baja with a story about seeing two killer whales attacking a whale shark. But Ms. Schulman-Janiger was never able to confirm the event.