Have you ever thought about which animals are the biggest in the world? From the magnificent blue whale to the majestic ...

Orcas off the coast of Mexico have devised a cunning strategy to hunt and kill whale sharks, and marine scientists have ...

Exclusive photos reveal a sprawling, 300-year-old coral near Solomon Islands, recently discovered by the National Geographic ...

The "mega" coral is 112-feet wide, 105-feet long and 18-feet high, making it larger than a blue whale, the world's largest ...