Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

In the past three weeks, there have been a number of reports of groups of dead wild sea birds washing up on shorelines in counties Kerry, Clare and Galway ...

ORCAs, the ultimate ocean predators, are capable of hunting the largest animals on Earth, including blue whales and elephant ...

Hall went on to explain that this population, called the transient or Bigg’s killer whales, prey on marine mammals like seals ...

A man paddleboarding with his friends is shocked to see a squid wrapping its tentacles around his paddleboard and pulling him ...

It's migration season. Find out where to go to spot humpbacks, orcas, dolphins and more on the Monterey County coast.

Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known ...

From the entanglement of Shelagh, a critically endangered North Atlantic right whale, to the awe-inspiring appearance of the ...

Killer whales "groom" each other using tools made from seaweed, reveals new research. The "incredibly exciting" discovery is ...

Sperm whales, the largest predators of the ocean, dive deep into the abyss, where no human dares to venture, and face off ...

A massive killer whale swam deep into Yaquina Bay, hunting alone and stunning onlookers. Here's what we know about T049C — and why he's so well known.