Forecasters say expected 'worst Christmas storm' is elevating flood risk for a large swath of southwest California.
The atmospheric river storm is likely to cause a slew of hazards this week across California, including urban flooding, downed trees, outages and travel delays.
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 ...
Scientists have uncovered a missing feedback in Earth’s carbon cycle that could cause global warming to overshoot into an ice ...
Beneath Antarctica's Thwaites Glacier, hundreds of undetected earthquakes have rumbled for over a decade, signaling the ...