Studying preserved footprints in New Mexico continues to provide insight into the first human movements in North America. A research team believes the footprints are more than 23,000 years old, ...

CNN — Scientists have discovered evidence that may push back the timeline for humans living in North America from 13,000 years ago to 30,000 years ago, according to two new studies. The studies about ...

North America is one of the largest and most geographically diverse landmasses on Earth. The documentary explores how the first humans entered the continent from the north and gradually spread across ...