Over time, that name morphed into "killer whales." Scientists don't know whether orcas kill for fun. The marine mammals do some things, like killing and tossing dead porpoises in the air ...

New research finds male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if ...

Nature's gentle giants are a sight to behold, but if you want to see them up close, here are some whale watching do's and don ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

Discover 10 lesser-known facts about the blue whale, the largest animal on Earth. Learn about its diet, communication, ...

Support for Nature: Expedition Killer Whale is provided in part by The Hite Foundation, Perpetual Kindness Foundation and Sun Hill Renewal Fund. Series funding for Nature is made possible in part ...

Just like popular songs on TikTok, new humpback whale songs can rapidly spread across regions and populations to replace ...

The recent autopsy of a partially devoured great white shark confirms a brutal hunting trend—killer whales around the world are not afraid to attack the fearsome fish, especially when they get a ...

The pod of killer whales that showed up Thursday, Jan. 30, have only been documented less than 10 times since 1993.

Orcas, also called killer whales, are apex predators of the ocean. Their intelligence, hunting skills, and sheer power make ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...