An ancient lake that thrived during the last Ice Age has reemerged in California's Death Valley National Park, after a record spell of rainfall hit the area, the National Park Service said. Informally ...

Between 128,000 and 186,000 years ago, when ice covered the Sierra Nevada, a lake 100 miles long and 600 feet deep sat in eastern California in what is now the Mojave Desert. As the climate warmed and ...