While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.

Researchers have identified a fascinating behavior in killer whales, aka orcas: they sometimes offer to share their prey with ...

KILLER whales have been spotted giving gifts to humans in “extremely unusual” behaviour, baffled scientists say. Dozens of instances of orcas approaching humans with offerings have ...

Other animals including some early humans, non-human primates, sea otters, elephants, and bird species are known to use objects to make tools. While the bubble nets that humpback whales use to catch ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

A northwest Australia killer whale captured on Ningaloo Reef. Photo courtesy John Totterdell (CETREC WA).While well ...

The most recent census found 73 southern resident killer whales. Of those, 22 were observed to be in poor condition. Since ...

This collection of articles about whales in the Pacific Northwest highlights new births and unusual behaviors. One story focuses on a killer whale becoming a first-time mom with a calf spotted in the ...

Using sightings over four decades, researchers have pinpointed three main orca habitats off Australia, with key differences ...

These incidents, documented across four different oceans, saw orcas approaching humans on boats, in the water, and even ...

Whale watchers are heading out in growing numbers, and knowing where to go whale watching helps them catch the action at its ...