The Numbers First The only intact blue whale heart ever preserved and studied in detail came from a specimen that washed ...

Reports of blue whales going silent off California don't reflect the findings of a recent study.

Only two blue whale births have ever been recorded in human history, both decades ago. This remains an extraordinary mystery, given there used to be hundreds of thousands of blue whales before whaling ...

Add Yahoo as a preferred source to see more of our stories on Google. Just a blue whale's tongue weighs as much as an adult elephant. But what caused blue whales to grow to such an extraordinary size?

Discover the blue whale, the biggest animal to ever live. Learn its size, diet, and surprising facts about this ocean giant.

The sound of the blue whale’s singing has decreased off the coast of California, frightening scientists who believe it is an indication of greater ecosystem danger. Scientists tracked the auditory ...

The largest living animal, the blue whale (Balaenoptera musculus) which averages about 27 meters in length, has slowly recovered from whaling only to face the rising challenges of global warming, ...

The Blue Whale Story exhibit conservator, Susan Green, inspects the frame holding a life-sized reproduction of an ...

A blue whale calf with its mother near the coast of island Pico (Azores)© tane-mahuta/iStock / Getty Images Plus via Getty Images "The blue whale is the largest and loudest animal on Earth." The blue ...