In this corner, weighing up to 190 metric tons, is the blue whale. This behemoth still swimming in Earth’s oceans is the current titleholder for the heaviest animal to ever exist — living or dead. And ...

Blue whales and whale sharks, though both giants of the ocean and filter feeders, differ significantly. Blue whales, massive marine mammals, consume krill and face threats from human activities. Whale ...

Q. My brother (a basketball player) says giraffes are the biggest land animals because they are the tallest. How do scientists determine what the biggest animals are? A. Scientists, as well as people ...

Whales may be known as gentle giants, but they still have a looming presence as the world’s loudest and largest animals. The Antarctic blue whale can weigh up to 400,000 pounds and stretches to 98 ...

Move over, blue whales. There could be a new heavyweight champ in town. Fossilized vertebrae and ribs from a newly discovered ancient whale suggest that it could have outweighed modern blue whales, ...

Protecting Blue Whales and Blue Skies (BWBS), a vessel speed-reduction program for safer whales, cleaner air, and a quieter ocean, has released a ...

Changing ocean conditions making whale prey scarce are causing the mammals to stop singing, a recent study has found. Researchers at the Monterey Bay Aquarium Research Institute, Cascadia Research ...