In a remote windswept part of Nevada lies one of the oldest and most mysterious petroglyphs in North America, a window into ...

To date the petroglyphs, Benson and his colleagues began by figuring out just when they could have been made. Though Winnemucca Lake is dried up now, it was once so full of water that the boulders ...

The message from park rangers, amateur metal detectors and regular fisherman at California's Lake Perris is unanimous: The water is lower than they've ever seen it. The state's severe ongoing ...