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, new hunting ...

Their backs and tall dorsal fins glistened in the Arctic twilight as they dived and surfaced and worked in teams to corral, stun, and devour silver herring. At times an orca would smack the ...

With much of it covered in ice all year round and with no daylight from October to March, the Arctic Ocean is one of the world's most remarkable oceans. It's home to a multitude of unique life ...

Together, Antarctica and the Arctic act as a giant thermostat ... through the eyes of killer whales. Killer whales - or orca - number hundreds of thousands worldwide. But in a remote network ...

It analyses the extraordinary 330,000 kilometers of marine surveys conducted by ORCA in 2023, recording 55,604 whales and dolphins in oceans worldwide from the Arctic to the Antarctic, the North ...

Comparing DDTs concentrations in killer whales from Ireland and the Canadian Arctic with the concentrations that affected kwERα in vitro suggested that DDTs levels in killer whales could disrupt ...

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