NEW YORK — Whales are big, but why aren’t they bigger? A new study says it’s basically about how many calories they can take in. That’s the conclusion of researchers who used small boats to chase down ...

NEW YORK -- Whales are big, but why aren't they bigger? A new study says it's basically about how many calories they can take in. That's the conclusion of researchers who used small boats to chase ...

They are literally the most big-hearted creatures in world. But have you ever realized just how gigantic a blue whale’s ticker actually is? These pictures show one beached whale’s colossal heart, ...

A colossal 60-foot whale shark, nearly the size of a city bus, has been spotted off the Pacific coast, stunning marine biologists. This gentle giant, a filter feeder vital for ocean health, dwarfs the ...

Fifty million years ago, whales were four-footed, tailed land mammals about the size of wolves. Over the next 12 million years, these terrestrial whales evolved into fully aquatic animals, complete ...

Whale sharks are the largest species of shark. Their gentle manner and massive size make them the gentle giants of the ocean. However, one especially large whale shark has been spotted off the Pacific ...