Ancient Human Footprints Uncovered in Australia

About 20,000 years ago, humans trekked along the margins of a shallow lake in Australia, leaving behind records of their passage in the soft, wet sand.

In 2003, an aboriginal woman who is likely a descendant of those early Australians stumbled across dozens of timeworn footprints in the same area. Excavations of the site have since uncovered hundreds more ... LiveScience.com