The orca calf belongs to a family of transient killer whales, or “Bigg’s” killer whales, and was first spotted in the Salish Sea on Thursday, March 20, between Port Townsend and the San Juan Islands.

Sailing Lake Como on a romantic boat, Carpenter wore a bathing suit ensemble that perfectly complemented the scenery. She ...

Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the ...

Gabby Clixby suspected something was up when she heard a "very loud and long laugh" coming from her son's room.

In Washington, wildlife enthusiasts responded to sightings of a rare blue northern leopard frog not seen in years, ...

Dolphins are technically classified as whales, but are different from their larger cousins in many ways. The largest dolphin species is the orca, which measures up to 32 feet (9.8 m) long ...

For decades, the world’s largest animal, the blue whale, has baffled scientists with one major mystery—why are baby blue whales so rarely seen? Despite thousands of blue whales roaming the oceans and ...

They focused on six species known to migrate seasonally over long distances from higher latitudes to lower latitudes: blue whales, fin whales, gray whales, humpback whales, and North Atlantic and ...

Scientists may finally have an explanation for the longstanding mystery of why blue whale calves are rarely sighted, an advance that could help better conserve the critically endangered species.