A large formation of granite discovered below the lunar surface likely was formed from the cooling of molten lava that fed a volcano or volcanoes that erupted early in the moon's history—as long as 3.5 billion years ago.
Astronomy
Jul 5, 2023
3
47
Billions of tons of snow piled atop the Sierra Nevada Mountains can cause parts of the Central Valley, just west of the range, to sink—muddling groundwater assessments that take sinking as a sign of depleted aquifers. A ...
Earth Sciences
Jun 5, 2023
0
125
Flying thousands of feet above the Sierra Nevada in a plane equipped with specialized imaging devices, Elizabeth Carey has been scanning the mountains with lasers to precisely map the snow.
Earth Sciences
May 16, 2023
0
14
Mountain lions are protected from hunting in California by a law passed by popular vote in 1990. However, a team of researchers working across the state found that human-caused mortality, primarily involving conflict with ...
Plants & Animals
Mar 20, 2023
0
73
Parts of California are under water, the Rocky Mountains are bracing for more snow, flood warnings are in place in Nevada, and water is being released from some Arizona reservoirs to make room for an expected bountiful spring ...
Environment
Mar 16, 2023
0
7
Waves of torrential rainfall drenched California into the new year. Snowpacks in the Sierra Nevada Mountains have swelled to more than 200% their normal size, and snowfall across the rest of the Colorado River Basin is trending ...
Environment
Feb 1, 2023
4
12
The sleek and tenacious Sierra Nevada red fox—once thought to have disappeared from the mountain range that bears its name—has been detected near the eastern boundary of Sequoia and Kings Canyon national parks.
Plants & Animals
Jan 26, 2023
0
4
Las Vegas, with its rapid urbanization and desert landscape, is highly vulnerable to flooding. For this reason, flood managers have built an extensive system of drainage ditches and detention basins to protect the public. ...
Environment
Jan 18, 2023
0
29
Near-record rainfall has battered California for weeks, sparking floods and landslides as the state struggles to cope with so much water.
Environment
Jan 13, 2023
0
39
An enormous cyclone gyrating off California's coast was dumping rain Wednesday, threatening further floods and landslides in the already sodden state.
Environment
Jan 11, 2023
0
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