Orcas, often referred to as "killer whales," have earned their intimidating nickname for a reason. These magnificent ...

Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

Scientists documented 34 remarkable cases of wild killer whales trying to give food to humans across four oceans over 20 ...

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

Killer whales have been documented offering food provisions to humans swimming near them or in nearby boats. Learn more about ...

According to a May publication in the Journal of Wildlife Diseases, researchers at UH Mānoa and the College of Tropical ...

Scientists said so far three striped dolphins stranded on Oahu’s east shorelines over a seven day period tested positive for ...

Off the Caribbean island of Dominica, Cecilia Vega dove into efforts to create a preserve to protect sperm whales and ...

The number of Pacific gray whales decreased significantly during the most recent count to the lowest numbers since the 1970s, while the number of whale calves also hit its lowest numbers on record.

A whale fall is the carcass of a whale falling to the ocean floor. The fossils date back to a time when the site in Kutch was under a tropical sea, in a warm and humid coastal environment.