Whales are big, but why aren’t they bigger? A new study says the key factor is how many calories they can take in. Researchers came to this conclusion after using small boats to chase down 300 whales ...

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 ...

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 ...

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, ...

Accidental collisions between ships and whales are a global concern, and can occur wherever there is an overlap between whale activity and vessel traffic. To help seafarers plan their voyages to ...

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 ...

A critically endangered species of whale is getting smaller and smaller thanks to climate change. These shrinking giants are North Atlantic right whales, of which there are only an estimated 356 ...

WASHINGTON (Reuters) - Cetaceans -- whales and dolphins -- are among the brainiest of beings. In terms of sheer brain size, the sperm whale is tops on Earth, with a brain six times larger than that of ...