Using new radiocarbon dating on ancient footprints found preserved in the gypsum-rich ground in White Sands, researchers have ...

In what is now the desert of White Sands, New Mexico, a trail of human footprints crosses the hardened bed of an extinct lake ...

Footprints found in the ancient lakebeds of White Sands may prove that humans lived in North America 23,000 years ago — much earlier than previously believed. A new study using radiocarbon-dated mud ...