To the fugitive slave fleeing a life of bondage, the North was a land of freedom. Or so he or she thought. Upon arriving there, the fugitive found that, though they were no longer slaves, neither ...

A new study reveals that a distinct North African human lineage lived in the Central Sahara over 7,000 years ago, during the ...

Now a vast and parched expanse of sand and stone, the Sahara Desert hides secrets of a time when it teemed with life. Between ...