A Paleo-Arabic inscription on a boulder near an abandoned mosque in Saudi Arabia may have been carved by Ḥanẓalah bin Abī ʿĀmir, a companion of the Islamic prophet Muhammad, a new study finds.

Paleo-Indian cultures migrating through (what is now) Latin America left traces of their lives, painting rock art in caves and on cliff faces. (Also Read | Glasses or contacts? The fast fashion ...