Ocean's Giant The blue whale is a true marvel of the marine world. Known as the largest animal to ever exist on Earth, these ...

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

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The largest orca ever recorded was a staggering ... because the animal mistook the surfer for a seal. Although wild killer whales do not intentionally harm people, they have attacked boats.

A humpback whale briefly engulfed a kayaker off the coast of Chile in an incident caught on camera. Experts say it couldn't have swallowed him even if it wanted to.

A sperm whale’s tooth can weigh more than two pounds and they are illegally trafficked to be used as decorations and for ...

Blue whales are not just the largest animals alive today, but the largest animals to ever live on Earth. They can stretch ...

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 ...