Researchers say the whales’ struggles reflect deeper instability in the marine ecosystem.

A dead whale washed up on the sand in Newport Beach on Wednesday, with authorities assessing how the mammal died — and how to get it off of the popular beach. The 27-foot whale was first spotted ...

A shark was seen following the dead cetacean and prompted the city to post warning signs at Swami’s and Cardiff State beaches ...

A dead, 11-ton humpback whale washed onto a popular beach in California this week, prompting officials to warn locals to stay away from its “massive” carcass. A massive 29-foot whale carcass washed ...

QUEENS, NY - Officials have released a suspected cause of death for a dead whale that was found on a beach in Queens on Thursday, just a few days after its body was seen floating south of Long Island, ...

After weeks of drama, the stranded humpback whale is back in his natural habitat, but still not out of harm's way.