The blue whale is the largest animal on Earth. It plays a vital role in the ocean ecosystem. These whales grow to massive ...

Move over, blue whale. You've been demoted. Scientists have discovered what they say could be the heaviest animal that ever lived on Earth: a gigantic ancient whale that may have been two to three ...

The largest animal on Earth and her baby were spotted off the coast of California and boaters are calling the moment “magical ...

Biology Massive Extinct Whale May Be the Heaviest Animal Ever The gargantuan creature, weighing upwards of 750,000 pounds, may have sat in shallow waters, scavenging carcasses 39 million years ago.

Last year, a team of researchers unveiled Perucetus colossus, a 39-million-year-old whale from Peru with an estimated body mass of 187,000 to 750,000 pounds (85,000 to 340,000 kilograms ...