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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Animals have body parts that range from enormous organs to microscopic structures, showing how evolution shapes anatomy for ...

Boaters in New Jersey waters got the sighting of a lifetime when a blue whale swam into view. “We witnessed the largest living animal in the world off the coast of Cape May,” Cape May Whale Watch and ...

The North Carolina Museum of Natural Sciences is opening a new exhibit this weekend on blue whales, which are the planet's largest animals ever. The special exhibition on blue whales highlights ...