People lived in many parts of the Old World by then but had not yet reached Australia or the Americas. The bulk of the human ...

Earth received water toward the final stages of its formation. This reshapes understanding of the conditions needed for life.

The authors also found evidence of w-shaped flood channels using seismic data and developed computer models to simulate how ...

This interactive history map lets you dive into the past, offering a unique way to see when, where, and how historical events shaped our world. Whether you’re a history buff or just curious ...

Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...