A famous gray whale was first spotted in the Saratoga Passage on Dec. 11, early for a Sounder. The first of the “Sounders” ...

Killer whales have been spotted swimming around with dead salmon on their heads. The behavior was first spotted in 1987, ...

For years, great white sharks were the undisputed apex predators along parts of South Africa’s coast, gathering in dense ...

The 50-year-old orca had been at SeaWorld Orlando for 40 years and was one of just five killer whales at the park.

SeaWorld Orlando announced that Katina, a killer whale in captivity for most of her 50 years, including 40 years at the ...

Picture a CFO scanning a cash-flow model where one interest rate cell sits off by a single percentage point. The spreadsheet ...

Kshamenk, the last killer whale held in captivity in Latin America, died of cardiorespiratory arrest in Argentina at age 35, ...

Like corn kernels in slowly heating oil, the orca sightings began sparse and unpredictable. But at some imperceptible moment, ...

With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals. A new study is the first to document cooperative hunting between orcas and ...

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory behavior had never been documented in the region. A pygmy sperm whale was ...

Researchers have identified ginkgo-toothed beaked whales alive at sea for the first time after years of searching, and in doing so solved the mystery of an odd echolocation pulse in the North Pacific.