Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on ...

This is the moment an orca was spotted for the first time hunting with Pacific white-sided dolphins. New research has found that killer whales tag-team with dolphins to hunt salmon. The two marine ...

Add Yahoo as a preferred source to see more of our stories on Google. In the Humboldt Current, off the coast of Chile, an enigmatic pod of orcas has been seen tearing apart unexpected prey. What's ...

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...

With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...