Add Yahoo as a preferred source to see more of our stories on Google. Killer Whale (Orcinus Orca)© Tory Kallman/Shutterstock.com Key takeawaysPowered by Yahoo Scout. Yahoo is using AI to generate key ...

A small, endangered pod of orcas off Spain and Portugal has sunk at least eight boats since 2020, and despite speculation, the real explanation might have nothing to do with revenge.

Orcas can have brains up to five times heavier than human brains, but scientists say brain size alone is a poor measure of ...

Underwater video captures the moment killer whales in the Gulf of California slam into a sunfish causing it to explode into smithereens. Researchers suspect the orcas are blowing up the fish to ...

Scientists captured video of orcas ramming into sunfish with such force that the fish exploded. The behavior may be for fun as well as for feeding, they report.

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations called ecotypes. Each ecotype indicates an ecological specialization with its ...

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

To date, polar bears have had the dubious honour of being the most toxic mammal of the Arctic, but a new study shows that killer whales have even higher levels of PCBs, pesticides and a brominated ...

“The Russian whale researcher Sergey Fomin with one of the two torn-off killer whale fins that have been found on Bering Island. This one was found in 2022 and likely comes from a young male. It is 47 ...