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 ...

This whale may be the largest animal ever. We have no idea how it got that big. A newly discovered extinct whale called P. colossus is challenging the blue whale for the title of heaviest animal ...

The blue whale has long been considered the largest animal to have ever existed, even dwarfing the biggest known dinosaurs. But now a new species threatens to steal the crown, and upends what we ...

Blue whales are the largest animals to have ever lived. The largest of these giants was a true behemoth, equaling the combined weight of thousands of people.

Listen to the heartbeat of the largest animal to have ever lived Scientists are measuring whale heartbeats to unravel one of biology’s biggest mysteries.

Despite being the biggest whale, the blue whale does not have the biggest brain of any creature. According to the Smithsonian, the sperm whale has the largest brain to have ever existed on Earth.

The blue whale is renowned as the Earth’s largest animal, taking that title today by quite some distance. That holds true even stretching back through time as these enormous marine mammals are even ...

Look out, blue whale - there's a new contender for your heavyweight title. A newly discovered whale that lived nearly 40 million years ago could be the heaviest animal to have ever lived, based on a ...

There could be a new contender for heaviest animal to ever live. While today's blue whale has long held the title, scientists have dug up fossils from an ancient giant that could tip the scales ...

There could be a new contender for heaviest animal to ever live. While today's blue whale has long held the title, scientists have dug up fossils from an ancient giant that could tip the scales ...

There could be a new contender for heaviest animal to ever live. While today's blue whale has long held the title, scientists have dug up fossils from an ancient giant that could tip the scales ...