As reservoir levels dwindle in the arid southwestern United States, scientists have developed a method to estimate summer rainfall in the region months in advance. Such seasonal predictions can help state and local officials ...
Earth Sciences
Apr 28, 2022
0
91
The lakes that form on Antarctica's ice shelves can drive vertical cracks deep within the ice, increasing the chance of ice shelf collapse and sea level rise. However, if meltwater accumulates in certain areas and drains ...
Earth Sciences
Apr 19, 2022
0
113
A new global analysis of the last 19 million years of seafloor spreading rates found they have been slowing down. Geologists want to know why the seafloor is getting sluggish.
Earth Sciences
Apr 14, 2022
0
146
In 1952, Stanley Miller and Harold Urey made sparks fly in a gas-filled flask meant to reflect the composition of Earth's atmosphere around 3.8 billion years ago. Their results suggested that lightning could have led to prebiotic ...
Earth Sciences
Apr 11, 2022
2
106
A new study provides the first evidence that rising greenhouse gases have a long-term warming effect on the Amundsen Sea in West Antarctica. Scientists from British Antarctic Survey (BAS) say that while others have proposed ...
Earth Sciences
Apr 5, 2022
212
334
On November 8, 2020, NASA's Juno spacecraft flew through an intense beam of electrons traveling from Ganymede, Jupiter's largest moon, to its auroral footprint on the gas giant. Southwest Research Institute scientists used ...
Astronomy
Apr 5, 2022
3
390
Thirty years ago, on the flanks of a volcano in California's Sierra Nevada range, trees began to die en masse, suffocated at their roots by carbon dioxide seeping up from the mountain's depths after a swarm of small earthquakes.
Earth Sciences
Mar 30, 2022
4
109
Newly discovered deposits of layered ice in craters scattered around Mars' southern hemisphere provide insights into how the planet's orientation controlled the planet's climate over the past 4 million years, according to ...
Planetary Sciences
Mar 29, 2022
1
269
The Arctic is warming along with the rest of the planet, and as this is happening, its permafrost—perennially frozen arctic soil that holds a lot of trapped organic matter from dead plants—is thawing. As the permafrost ...
Environment
Mar 25, 2022
0
112
In 2006, the Cassini spacecraft recorded geyser curtains shooting forth from "tiger stripe" fissures near the south pole of Saturn's moon Enceladus—sometimes as much as 200 kilograms of water per second. A new study suggests ...
Astronomy
Mar 22, 2022
3
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