Spotting orcas off the coast is always a treat  – but an “extremely rare” sighting Thursday, Jan. 30, has experts even more ecstatic. A pod that has never been documented off Orange County’s coast was ...

For the first time, DNA evidence has confirmed killer whales in Australia hunted a white shark for its liver.Based on DNA analysis from the bite ...

This process uncovered the DNA of two animals: orcas, also known as killer whales, and broadnose sevengill sharks. Orca DNA was linked to the largest bite wound, found in the center of the shark, ...

Orcas, also called killer whales, are apex predators of the ocean. Their intelligence, hunting skills, and sheer power make ...

Beach rubbing, when animals swim close to shore to rub their bellies on smooth pebbles, is thought to help scrape off dead ...

The group behind a plan to build a coastal refuge in Nova Scotia for captive whales says its bid to provide sanctuary for two ...

Animal rights group lodges concerns with City Council after filing a formal objection in federal court to a deal on ...

A white Risso’s dolphin known to frequent Monterey Bay looked especially luminous Saturday during an extraordinary Southern ...

OF the over 40 dolphin species, killer whales (orcas) are the largest, while bottlenose dolphins are the most common.

Computer models helped decode whale communication. But some scientists say there are barriers that cannot be overcome.

Cetaceans—marine mammals that include dolphins, porpoises, and whales—are crucial to coastal ecology. Their presence fosters ...

A dolphin was nestled in a deepwater hole hidden within the shallow waters of Shark Bay, Australia. Richard Conner, one of ...