A groundbreaking new study has revealed that apparently 930,000 years ago, our ancestors were down to an astonishingly small ...

Studying human evolution involves piecing together scattered clues about how we survived against tough odds. One of the biggest mysteries is understanding how large or small ancient human populations ...

Researchers found LUCA, our earliest common ancestor, lived 4.2 billion years ago. It had a complex biology, affecting its ...

One of the greatest engineering feats in history, the modern U.S. nuclear carrier is a masterpiece of technology, and the flagship of the fleet.