A rare encounter was caught on camera off the Big Island when two massive killer whales — also known as orcas — swam right up ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting ...

Other animals including some early humans, non-human primates, sea otters, elephants, and bird species are known to use objects to make tools. While the bubble nets that humpback whales use to catch ...

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...