A rare dwarf sperm whale mysteriously washed ashore in Australia, prompting an official investigation, according to news reports. Beachgoers in Adelaide — a city on the coast of South Australia — ...

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

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

A rare strap-toothed whale has died after an attempted stranding on East Clive Beach on Wednesday. Locals spotted two of the ...

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

A sperm whale stranded on Cuttyhunk Island over the weekend, adding to alarming whale death toll since December. Here's what we know.

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 predatory attacks from killer whales, especially mother and calf pairs. When attacked, some species fight back, while others choose flight.