Beneath the white gypsum dunes of New Mexico, scientists have uncovered something remarkable—trails of footprints that ...
Beautiful gypsum sand dune scenery at White Sands National Park from Alkali Flats Trail. As far back as 22,000 years ago, humans may have improvised makeshift transportation tools that left grooves ...
Tracking the footsteps provides modern scientists a view into ancient life.
A slab of rock at an Australian high school, a boulder in a parking lot, and a bookend in a private collection feature 200-million-year-old dinosaur footprints.
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