In a study published in Science Advances this month, researchers announced the discovery of hundreds of fossilized footprints at Alathar lake in Saudi Arabia's Nefud Desert. Among the markings ...

Though it was underwater just 12,000 years ago, White Sands National Park — now an arid desert ... footprints, scientists have found new evidence of ancient activity recorded in the sand ...

The vast expanses of sand and constantly shifting winds ... READ MORE: Archaeologists uncover 115,000 year old human footprints in Saudi Arabia desert READ MORE: Discovery of best-preserved ...

STEVE:'Most footprints get washed away, but we were lucky. Our ancient river flooded and filled the footprint with mud and sand, protecting it. So we've got our protective layer of sand.