As so-called “killer whales” have made news over the past few years for violent boat attacks in European waters, marine biologists have noticed a far sweeter behavior in Iceland’s frigid waves: the ...

Turns out that the five whales are Bigg’s Killer Whales — roaming orcas — from the T035A group, led by a 27-year-old ...

Killer whales have joined the rare club of animals that can make and use tools, for the first time being observed crafting a kind of brush out of kelp and then using it on fellow pod members. The feat ...