Its appetite hinges on nutrient-rich krill swarms, so climate shifts that shrink krill threaten energy reserves and migration. Read on to discover the 12-inch-thick throat muscles and a 90-second gulp ...

The blue whale holds the title as the largest animal ever known to have lived on Earth. This video explores how big blue whales can grow, how they survive in the ocean, and what makes them such ...

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...

It’s hard to picture a creature so immense that a person could stand inside one of its arteries, yet that’s the reality of the blue whale—the largest animal ever to live on Earth. A detail like that ...

It was something they never expected to see: the largest mammal in the world swimming off the coast of New Jersey. Last weekend, about 50 passengers and crew aboard the Cape May Whale Watch and ...

Size comparison of a modern blue whale (Balaenoptera musculus) and the extinct Perucetus colossus, known from a fossil discovered in Peru. Researchers initially estimated the mass of Perucetus as ...

Monterey Bay Whale Watch spotted their first blue whale of the season on June 20, the organization announced. A video taken that morning shows an aerial view of the massive mammal gliding just beneath ...

Baleen whales don’t have teeth. Instead, they use baleen, a filtering system that lets the largest animals on Earth feed on ...