Natural selection is only partly responsible for the distribution of genetic differences among humans, according to a new study co-authored by Graham Coop (above). Human history and migrations also ...

The Grand Canyon, located in Northern Arizona, is one of the most amazing natural wonders in the world. Carved by the Colorado River over millions of years, this immense valley is about 277 miles in ...

The nation’s eighth graders have made no academic progress in U.S. history, geography or civics since 2010, according to the latest test results from the National Assessment of Educational Progress ...

Eighth graders’ grasp of key topics in history have plummeted, national test scores released this morning show—an alarming result at a time of deep political polarization, economic uncertainty, and ...

All About California: California is one of the most unique and influential U.S. states. It is also the most populous state in the USA, home to over 39.5 million people as of 2025 according to the ...