A resting heart rate for an adult human is usually between 60 to 100 beats per minute, though that number varies greatly among other animals, as researchers have found that animal heart rates ...

MONTEREY, Calif. — One-hundred feet long – 400,000 pounds – and about as gentle as a giant can get. The elusive blue whale is as massive as it is majestic, but it’s also a bit mysterious. For the ...

The heart of a blue whale, diving off the coast of California, has just contracted. The beat took about two seconds to finish, and pushed dozens of gallons of blood through the arteries of the largest ...

A blue whale’s heart can beat as few as two times a minute. The discovery comes from data collected during researchers’ first few attempts to measure the heart rate of the world’s largest animal, and ...