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

Orcas own the ocean and it is not even close.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Orca whales are skilled pack hunters with an ever-growing list of ...

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 ...

Orcas are renowned hunters. Now, they have surprised scientists with an unexpected twist — possibly getting help from dolphins. In the waters off British Columbia, marine ecologist Sarah Fortune and ...