Tens of tons of extraterrestrial solid material collide with Earth daily. Most of this material is small enough that it burns up in the atmosphere, but some fragments are large enough to cause quite a predicament. In 2013, ...
Planetary Sciences
Sep 1, 2022
0
256
While wildfires over recent years have raged across much of the western United States and pose significant hazards to wildlife and local populations, wildfires have been a long-standing part of Earth's systems without the ...
Earth Sciences
Jun 14, 2022
0
215
While much of public attention on Yellowstone focuses on its potential to produce large supereruptions, the hazards that are much more likely to occur are smaller, violent hydrothermal explosions. Hydrothermal explosions ...
Earth Sciences
Jun 9, 2022
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53
Primary fluid inclusions in bedded halite from the 830-million-year-old Browne Formation of central Australia contain organic solids and liquids, as documented with transmitted light and UV-vis petrography. These objects ...
Earth Sciences
May 11, 2022
2
284
Rapid glacial advance reconstructed during the time of Norse occupation in Greenland
Earth Sciences
Mar 25, 2022
4
103
The Popocatépetl volcano, located southeast of Mexico City, stands as the second highest peak in Mexico and is considered to be one of the potentially most dangerous volcanoes in the world, given its record of highly explosive ...
Earth Sciences
Mar 7, 2022
0
88
Several dozen small impact craters, 10-70-m in size, have been discovered in southeastern Wyoming. A team of U.S. and German geoscientists found these ancient craters in exposed sedimentary layers from the Permian period ...
Earth Sciences
Feb 14, 2022
2
147
A study conducted by scientists at the U.S. Geological Survey, the National Oceanic and Atmospheric Administration, and Vaisala Inc., published yesterday in the Geological Society of America's journal Geology, discusses how ...
Earth Sciences
Jan 19, 2022
0
158
Despite its prior status as a luxury commodity, silver became widely used for coinage in the Roman world from the 7th century BCE onward and provided a standardized monetary system for ancient Mediterranean civilizations. ...
Archaeology
Dec 17, 2021
0
121
Portland, Ore., USA: Coastal regions and small ocean islands face significant risks from rising sea levels due to climate change, because waters can flood and inundate low-lying land surfaces. "Climate change has become a ...
Earth Sciences
Oct 12, 2021
1
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