Visitors to Antarctic waters got the show of a lifetime when several orcas went on the hunt for a penguin. The video has gone ...

Add Yahoo as a preferred source to see more of our stories on Google. Tourists aboard a cruise to Antarctica had a front row seat to the cruel realities of nature recently, as they watched a pod of ...

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 than ...