The footprints, which had been attributed to the devil, appear to have been made by four different individuals of differing shapes and sizes, according to a new study ...

including the astounding discovery of ancient footprints in White Sands National Park, N.M., that clearly show adults and children walking alongside mammoths and other megafauna of the last ice age.

As Hill dived out of the way, he stumbled on what turned out to be one of the wonders of prehistoric finds: a trail of hominid footprints ... of the first upright-walking hominids.