# A RARE sighting of orcas, also known as killer whales, was recently recorded by scientists off Eleuthera – an encounter that thrilled researchers and renewed concern about the potential effects of ...

There are two species of killer whale found in the Salish Sea — they are Bigg’s killer whales, the marine mammal-eaters, and southern resident killer whales, that eat salmon. The two subspecies could ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In 1987, a group of ...

This is the first time pack-ice killer whale vocalizations have been recorded. Pack-ice killer whales are highly social creatures, communicating through various vocalizations like pulsed calls and ...

A new law went into effect Wednesday, January 1 to protect Washington’s beloved Southern Resident orcas. According to a news release from the Orca Network, the new law mandates recreational vessels ...

SEATTLE —For more than a century, killer whales have been understood to be just one worldwide species, Orcinus orca, with many types. But now, after decades of work, scientists have determined the ...

SEATTLE — For more than a century, killer whales have been understood to be just one worldwide species, Orcinus orca, with many types. But now, after decades of work, scientists have determined the ...

A new baby orca born to J Pod is a ray of hope for the endangered southern resident killer whales. J63 was spotted by Mark Malleson, field biologist for the Center for Whale Research, on April 6. J ...