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 ...

The sperm whale registers at 230 dB while the blue whale is at 188 dB. “For us to hear blue whale calls, they must be made at an intensity of 70 dB or more,” BBC writer Ella Davies reports.

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 ...

Cape Ann Whale Watch shared video recorded Monday of the gigantic creature, the largest animal in the world, off the coast of Gloucester. "This whale was almost as long as our 115 foot boat," the ...

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 ...

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 ...

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 ...

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 ...