WASHINGTON (Reuters) - Using a bright orange electrocardiogram machine attached with suction cups to the body of a blue whale, scientists for the first time have measured the heart rate of the world's ...

You will find a wide and varied world full of life when you descend into the deep blue sea. Among the ocean’s inhabitants, whales and dolphins have a particular place in our hearts and fantasies. In ...

Blue whales are fascinating animals. At 24-30 metres in length (longer than a basketball court) they are the largest creatures on Earth. They are also among the rarest. Estimates suggest that there ...

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, ...