Conrad said transient killer whales are more likely to show up in larger bays and rivers, like Tillamook Bay, Yaquina Bay and ...

Three orcas that had not previously been recorded in the Seattle area have delighted whale watchers with several visits.

Southern Resident killer whales are a small and well-studied group of orcas that have long been seen as an isolated group ...

Scientific analysis of "cannibal" killer whales might seem shocking at first glance, but it might also indicate that our ...

Tilikum was SeaWorld’s most famous orca — a massive captive whale who had already been linked to deadly incidents before the world truly knew his name. In 2010, after what seemed like a normal show in ...

The three killer whales, not previously recorded in the region, may have traveled from Alaska ...

The mystery orcas are back in the Puget Sound. For the last few weeks, a pod of unfamiliar orcas has been coming and going ...

Two of the last surviving members of a group of UK orcas have been spotted off the Cornish coast. The bull male killer whales ...

'Amongst all the different killer whale populations around the world, there's only a couple that have been observed doing this behavior,' one expert said Francois Gohier/VW Pics/Universal Images Group ...