Dolphins and orcas have crossed a line in evolution they can't step back from. A new study uncovers why these marine giants ...

The Seattle Orcas are well-represented in the USA squad for the upcoming North American Cup, with six of their top players ...

Could an enormous blue whale make a mistake and swallow a dolphin? Learn why it's not possible for blue whales to eat anything that large.

The pygmy whale in question was thought to be around 18 meters long (59 feet) and was hunted and killed by a pod of more than ...

Orcas have long been known to travel through the Gulf of Mexico but they are arguably the marine species that is most rarely seen in the Gulf. But a ...

The episode, witnessed off the Australian coast, offers a rare glimpse into the brutal efficiency of the ocean’s top predator.

A new study based on two decades of data shows what happens in an ocean ecosystem without great white sharks. Great white ...

A Spanish aquatic park which authorities prevented from taking in two orcas from a shuttered French attraction that was ...

Rights activists on Friday urged French authorities to transfer two orcas from Antibes’ shuttered Marineland to a sanctuary ...

Taking a whale-watching tour should be on everyone’s bucket list. Seeing these majestic, awe-inspiring creatures in their ...

A brand-new baby orca was spotted this week cruising alongside its mom north of Seattle. Why it matters: It's the second seemingly healthy baby born to the endangered southern resident killer whales' ...

Two orcas, Wikie and Keijo, and 12 dolphins are stuck in a shuttered French Riviera marine park after Spanish authorities ...