White Sands National Monument

Footprints made tens of thousands of years ago may look like they’ve been erased by time and weather, but — like invisible ink — they can sometimes reappear under the right conditions.

New research confirms that fossil human footprints in New Mexico are likely the oldest direct evidence of human presence in the Americas.

The New Mexico group “Cowboys for Trump” is facing criticism after members brought iconic gypsum sands from White Sands National Monument to Washington…