Groundbreaking research in the late 1990s showed that Arctic-dwelling bowhead whales could live more than 150 or even 200 years — longer than any other mammal. New research, inspired by that work, ind...

The endangered right whales' median age at death is about 22. Southern right whales, a closely related species, generally live into their seventies. The difference? Southern whales aren’t facing entan...

Whale life spans have likely been greatly underestimated.

These marine mammals are still feeling the effects of whaling. For most species, it may be another 100 years before there are enough old whales for scientists to confirm their lifespans.