The name "killer whale" is a misnomer. Orcas, aka killer whales, are actually dolphins. Orcas are the largest member of the Delphinidae family, which includes dolphins and other species. Like dolphins ...

In the Humboldt Current, off the coast of Chile, an enigmatic pod of orcas has been seen tearing apart unexpected prey. What's even more surprising is the way the orcas then divvied up and shared ...

The owner of a San Diego-based whale-watching business on Friday shared a video clip showing an orca lunging after an elusive dolphin during an “amazing game of cat and mouse.” But Domenic Biagini ...

Whales are the biggest animal on the planet, dolphins are comparably smaller, but are they all one “big” happy family? They all belong to the Order Cetacea which is the group of sea mammals that ...

A little-known population of orcas living off the coast of Chile has been seen hunting and eating dusky dolphins for the first time. The behavior may offer insights into the lives and diets of all ...

A pod of orcas that typically spend time off Mexico traveled up to Southern California Monday, Dec. 11, creating a buzz on the water. Charter boats rushed to get a close-up look at the mysterious sea ...

Orcas are the oceans’ apex predator, even outranking the great white shark, but their hunting behaviors are still not fully understood by scientists. Robert Pittman / NOAA via Wikimedia Commons For ...

Concerns continue to grow for orcas and dolphins held in captivity at defunct French marine park. Marineland Antibes in France closed its doors back in January. But concerns continue to mount for the ...

KILLER whales have once again attacked boats off the coast of Spain, with two “rammings” happening just minutes apart. Both ...

Experts say the whales seem to learn to play with boats from a young age. "Believe me: if they wanted to sink the boats, they ...

In the Humboldt Current, off the coast of Chile, an enigmatic pod of orcas has been seen tearing apart unexpected prey. On multiple occasions, scientists and citizen scientists observed the sleek and ...

The owner of a San Diego-based whale-watching business on Friday shared a video clip showing an orca lunging after an elusive dolphin during an “amazing game of cat and mouse.” But Domenic Biagini ...