Orcas, or killer whales, are deadly and beautiful apex predators.

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Orca whale carries dead calf for days as imperiled habitat makes newborns rare, experts say. A shortage of food leaves females unable to deliver healthy offspring.

How big they are: Up to 32 feet (9.8 meters) long How long they live: Up to 100 years, but usually around 25 to 50 years What they eat: Fish, seals, seabirds, squid, sharks, and even whales Orcas ...

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

A California panel approved SeaWorld’s plan to expand its killer whale habitat, but with a key condition: It can’t breed any of the 11 whales there.

Washington's endangered orca whales received new habitat protections from the federal government on Friday. The National Marine Fisheries Service finalized rules to expand the orca's critical ...

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

The false killer whale, a type of dolphin, is the only known whale that lives close to land. The species gets its common name from its physical similarity to orcas, also known as killer whales. The ...

EVERETT — Now is your best chance to see endangered Southern Resident Killer Whales back dive, belly flop and fin slap around Puget Sound.. Three orca family groups known as J, K and L pods make ...

Discover interesting facts about whales, how big they can get, ... Despite their name, killer whales — or orcas — are not whales. Instead, they are part of the closely related dolphin family.

A California panel approved SeaWorld’s plan to expand its killer whale habitat, but with a key condition: It can’t breed any of the 11 whales there.