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 still historically large animals: Some can grow to more than 100 feet. Perucetus colossus was “possibly the heaviest animal ever,” said study co-author Alberto Collareta, a ...

The blue whale may no longer be the largest animal ever. The 37-million-year-old fossil bones were so large, experts thought they were boulders.

When it comes to their flippers, however, blue whales’ are relatively short for their body size at around 3 to 4 meters (9 to 13 feet) in length. The humpback whale, for instance, has flippers that ...

Aug 2 (Reuters) - Move over, blue whale. There is a new contender for the most massive animal in Earth's history. Scientists on Wednesday described fossils of an early whale unearthed in Peru ...

Blue whales can be longer — with some growing to more than 100 feet (30 meters) in length. This means the newly discovered whale was "possibly the heaviest animal ever," Collareta said, but "it ...

The newly described basilosaurid (a family of extinct cetaceans), called Perucetus colossus, eclipsed blue whales (Balaenoptera musculus) in sheer weight with an estimated body mass of between ...

GLOUCESTER — There was cheering and shouting far off shore on Thursday when a local whale watch boat enjoyed a rare sighting of the largest animal on the planet – a blue whale. Excitement ran ...

Blue whales are beginning their migration north to breed, but skinnier than usual animals spotted off Australia's coast are leaving researchers worried about their food source.

There was cheering and shouting far off shore on July 4 when a local whale watch boat enjoyed a rare sighting of the largest animal on the planet — a ...