Researchers out of Monterey, Ca., on Thursday enjoyed a rare encounter with mysterious killer whales known to travel in ...

Orcas have been in the news for quite some time, and now these killer whales are making headlines for hunting whale sharks.

In 1987, killer whales in Puget Sound donned salmon “hats,” carrying dead fish on their heads. Now, a photo of an orca has observers wondering if the trend has returned.

A pod of 60 to 80 killer whales rarely seen by researchers, was spotted Thursday by Whale Watchers out in Monterey Bay. They're called "offshore" orcas, and scientists say they haven't been seen off ...

Killer whales off Mexico have developed coordinated hunting skills to take down whale sharks, adding to their reputation as ...

the orca made headlines in 2018 when she was observed grieving her deceased calf by swimming with it on her back for 17 days. By the time she finally let the calf go, the killer whale had swam a ...

Within weeks, killer whales in her pod and two others were doing ... “These females are not getting enough to eat overall long term. And so their pregnancies are failing.” ...

Researchers have observed orcas in the Gulf of California using collaborative techniques to hunt whale sharks by targeting ...

The gentle giants, which eat tiny plankton, can grow as long as a school bus. Still, killer whales have developed a way to take them down, which researchers documented in video footage.