Discover the largest sharks ever to roam the ocean. Learn about the extinct, colossal Megalodon (up to 20m) and the largest ...

Sharks have been on this planet for more than 400 million years. They’re older than the first trees, the North Star, and even the rings of Saturn. They’ve seen and been through it all — but the ...

Millions of years ago, something remarkable happened in Earth’s oceans. Marine animals began to live in deeper parts of the sea, where life had not been possible before. New research shows that this ...