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

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

Katherine Rundell explores wonderful stories of 20 astonishing but endangered animals.

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

The saltwater crocodile is the largest living reptile on earth and one of the deadliest sea creatures in the world. Here’s all you need to know about this wild creature.

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 ...

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

The Great Nile Migration is one of the greatest natural events in the world—and nearly impossible to witness. WSJ traveled by ...