In the vast expanse of Saudi Arabia's Nefud Desert, where scorching sands now dominate, a 2017 archaeological survey unveiled ...
David Bustos heard about the “ghost tracks” when he first went to White Sands National Park in New Mexico to work as a wildlife scientist in 2005. When the ground was wet enough at certain times of ...
On a dry lakebed in southern New Mexico, a set of ghostly footprints has forced archaeologists to redraw the map of the first Americans. These tracks, pressed into mud by teenagers, children, and ...
Fossilized footprints in Saudi Arabia show human traffic on the cusp of a subsequent ice age. Like carbon dating, scientists use isotopes and context clues to calculate the approximate age of fossils.