The Secret Physics Behind 'Impossible' Movement: Rocks, Ice, and A Perfect Morning

Mysterious moving rocks at Death Valley's Racetrack Playa have baffled observers for years. Scientists have now revealed that a rare combination of shallow water, thin ice sheets, and gentle winds causes these heavy stones to slide. As ice melts and fractures, light breezes push the sheets, nudging the rocks across the slick mud, leaving behind their distinctive trails.