Life on Earth started out microscopically small, but it didn’t stay that way for long. Here are five of the biggest creatures ...

The mention of giant underwater creatures might conjure images of whales or mythical monsters. But the largest creature ...

The blue whale is the largest animal ever. Discover the top 10 largest animals on Earth, including the African elephant, ...

Have you ever wondered what the biggest land animal in history looked like, or which creature ruled the oceans as the largest of them all? Prehistoric giants often come to mind, but the story goes ...

Discover seven giant rainforest animals from gorillas to black caimans and learn how these massive species survive in lush ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

Discover how this Australian giant reaches nearly 10 feet long and why protecting its fragile underground habitat is critical ...