A study published in the journal Oceans details the remarkable chance encounter between a group of citizen scientists on a ...

Researchers have documented orcas dropping prey and other marine life in front of humans, as if offering us food. The orcas' ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

Orca whales (Orcinus orca) are among the most fearsome apex predators in the ocean. When not preying on the largest fish on Earth, they’re attacking boats or going after the mighty great white ...

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

The average orca lifespan is between 30-50 years in the wild. In captivity, their lifespan has been averaged between 10-45 years. Orcas kept in captivity are thought to live shorter lives than ...

Esther Jacobs, a conservationist from the nonprofit Earth Legacy Foundation, told Mongabay that longline fishery and predation by orcas (Orcinus orca) are major threats to the sharks.

On a cold January day I was surrounded by hundreds of black-and-white killer whales— Orcinus orca, not a whale but rather the largest dolphin—streaking like wolves through the waters of Norway ...

Marine experts warn irresponsible fishing increasing risk of whale entanglements The warning comes as there seems to have been an increase in whale beaching and entanglements recently. Whale season ...

The month’s sharpest science shots — selected by Nature ’s photo team.

A ‘completely novel’ find Indeed, southern resident killer whales are critically endangered and federally protected both in the United States and Canada, with a total population of just 74 whales.