The vast ice sheets that historically kept killer whales out of the Arctic Ocean are melting as the region rapidly warms. Two small, genetically distinct groups of killer whales now live in the ...

A dramatic shift is unfolding in the Arctic Ocean, where killer whales (orcas)—once blocked by thick ice—are now establishing year-round populations. As climate change melts polar ice ...

Killer whales are expanding their territory and have moved into Arctic waters as climate change melts sea ice, with two genetically distinct populations being identified by Canadian scientists ...

New research examining 11,700 years of bowhead whale persistence throughout the Arctic projects that sea ice loss due to ...

Together, Antarctica and the Arctic act as a giant thermostat ... more recently, Expedition Killer Whale. Expedition Killer Whale gave me a unique insight into Antarctica for the first time ...

Payne, who helped discover and record humpback whale song a few years prior, was struck by the fact that many toothed cetaceans such as killer whales ... whales in the Arctic over 144 days.