For decades, scientists have been trying to solve Death Valley's mystery of the "moving stones." Now, two scientists say they have figured out what makes the rocks move on the desert floor.

Dozens of rocks, some weighing hundreds of pounds, lie at the end of grooved tracks incised into the clay of what was once an ancient lakebed at Racetrack Playa in Death Valley. The tracks may be ...

The researchers fitted 15 rocks with motion-activated GPS instruments and installed a time-lapse camera to monitor ... by record-breaking longevity of Death Valley's phantom lake The data showed ...

Rangers at Death Valley National Park conducted an emergency ... Due to the possibility of the blades loosening rocks above him, rangers ruled out the initial idea of using a rescue helicopter ...

It was familiar terrain: the Chu Pong massif and Ia Drang valley in the western highlands near Cambodia, the “Valley of Death,” where ... a U.S. spokesman at the time, “we don’t want ...