Add Yahoo as a preferred source to see more of our stories on Google. The blue whale holds the title as the largest animal ever known to have lived on Earth. This video explores how big blue whales ...

The largest animal that has ever lived is not a dinosaur from Yore but a living mammal that still crosses our oceans. The blue whale’s record‑breaking bulk depends on a cardiovascular system pushed to ...

The longest animal on Earth isn’t what you think. It’s a drifting, gelatinous predator whose reach reshapes how we define ...

Blue whales are the largest mammals in the world, and they spend much of their lives roaming the deep ocean, where they feed ...

As if soaring above the brilliant blue ocean isn’t spectacular enough, the New England Aquarium’s aerial survey team recently experienced two back-two-back sightings of blue whales —a little déjà blue ...