The French government and animal-rights groups have yet to agree where orcas Wikie, 24 and Keijo, 11 should be moved, leaving ...

Weiss said the Southern Resident orcas population's recovery is determined by the female whales and their reproductive output. "A strategy of females reducing reproduction to increase male ...

SEATTLE — A new study from the Center for Whale Research found that when female killer whales - orcas - have male offspring there are life-long consequences. The study, published in Current ...

Killer whale pregnancies last some 18 months. So a Casanova whale’s sister gets preoccupied for a long time producing just one wrinkly not-so-little darling and then nurturing it to independence.

The Atlantic White Shark Conservancy confirmed it was a sighting of Old Thom, the only orca regularly seen in North Atlantic ...

GLOUCESTER, Mass. — An orca was recently spotted swimming with a pod of dolphins off the coast of Massachusetts in a rare ...

An orca that became stranded on a rocky beach in Alaska was freed with the help of the National Oceanic and Atmospheric Administration (NOAA) and sailors who happened to be nearby.