Blue whales, the planet’s biggest animals, are becoming quieter, and scientists believe the situation may be more troubling than previously thought. New research has found that the number of blue ...

Blue whale calves are the largest animal babies in the world, clocking in at a whopping 1360kg — almost the same size as a small car. They put on 90 kg a day by guzzling their mother's fatty milk.

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, ...

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 ...