The tracks of two adults and a child, researchers say, were left some 13,000 years ago.
The ancient tool findings are detailed in a series of three studies published in the journal “Science.”
Neanderthals aren't the only ancient people that have left traces in our modern DNA.
The cache includes knives and spearpoints and the first giant hand axe ever discovered in the Arabian Peninsula.
The first two modern human cultures coexisted for many years, but until now it’s been unclear if one was borne from the other.
Archaeologists believe that the arrow was either the cause of death or was placed there afterward symbolically.
Humans left Africa 60,000 years earlier than we thought.
The skull belongs to a newly-identified species and comes from a period in evolutionary history where few fossils have been discovered.