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.

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 ...

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 ...

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 ...

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.

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 ...

All told, about 3.5 percent of the blue whale genome comes from fin whales. “This is fantastic,” Dr. Janke said. He had previously looked for blue whale DNA in fin whale genomes and not found it.

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.

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 ...

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 ...