Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales face ...

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 ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

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

Orcas, or killer whales, are deadly and beautiful apex predators.

Follow a team of scientists and filmmakers in Antarctica studying the most sophisticated hunting strategy in the animal kingdom – killer whales making waves to wash seals off floating ice. “Expedition ...

Avoiding predators is one of the most important jobs for many members of the animal world. Even ocean giants like baleen whales have something to fear from killer whales, their only known natural ...

On Thursday, the Aquarium of the Pacific released its first Marine Species Report Card, detailing the population trends of 30 ...

The endangered southern resident killer whales that visit Puget Sound were listed for protection under the federal Endangered ...

POWELL − The Columbus Zoo and Aquarium has announced Dr. Kathayoon Khalil is the vice president and director of the Zoo and The Wilds’ conservation programs.

China plans to send a flying robot to the far side of the moon next year to search for the frozen water that could hold the ...

Mariia Zelenina tells PEOPLE she was "scared" when the Chinese sturgeon "pounced" on her at China's Xishuangbanna Primitive ...