Human footprints thought to be oldest in North America discovered

Ancient tracks found in New Mexico are believed to be between 21,000 and 23,000 years old, study says

New scientific research conducted by archaeologists has uncovered what they believe are the oldest known human footprints in North America.

Research done at the White Sands national park in New Mexico discovered the ancient footprints, with researchers estimating that the tracks were between 21,000 and 23,000 years old, reported Science.