These estimates, drawn from the location data of three billion Facebook users, provide a view of human migration in ...

An international research team has developed the world's first 30-meter resolution dataset to track changes in land ...

After independence from Britain in 1776, the United States faced an urgent diplomatic challenge, which was gaining ...

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