"I find this so interesting. I have not heard or seen this beautiful creature before." ...

Discover North America's biggest birds by wingspan, height, and weight, and learn about extinct giants like moas.

Q. I am pretty sure that ostriches are the biggest birds in the world. But what is the biggest bird in North America?

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.

A bizarre crocodile relative from the age of dinosaurs is rewriting what scientists thought they knew about ancient reptiles.

Learn about an ichthyosaur found in Germany that is now the youngest fossil found in its genus, and shows a remarkable story ...

A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

A fossil beak from an ancient octopus has forced scientists to rethink who ruled the Cretaceous seas. Researchers say two ...

The Las Vegas Science & Technology Festival is officially underway, and this morning, Good Day Las Vegas’ JC Fernandez gave ...

What can bones tell us about life millions of years ago? A paleobiologist decodes chemical clues to uncover how animals lived ...

According to a study published in the journal Proceedings of the National Academy of Sciences ( PNAS ), disappearing ...

In the fourth episode of our Stones & Bones video series, National Geographic digital editor Nicholas St. Fleur examines the ...