The sun constantly emits a stream of energetic particles, some of which reach Earth. The density and energy of this stream form the basis of space weather, which can interfere with the operation of satellites and other spacecraft. ...
Earth Sciences
Jul 13, 2021
15
1907
A combined team of researchers from the Jet Propulsion Laboratory, California Institute of Technology and the Royal Observatory of Belgium, has found evidence that Mars has a Chandler wobble. In their paper published in the ...
Jupiter's moon Europa has an icy crust covering a vast, global ocean. The rocky layer underneath may be hot enough to melt, leading to undersea volcanoes.
Space Exploration
May 26, 2021
1
171
The lockdowns and reduced societal activity related to the COVID-19 pandemic affected emissions of pollutants in ways that slightly warmed the planet for several months last year, according to new research led by the National ...
Environment
Feb 2, 2021
10
928
NASA-funded scientists have discovered shaded locations within pits on the Moon that always hover around a comfortable 63 F (about 17 C) using data from NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft and computer modeling.
Space Exploration
Jul 26, 2022
0
275
Land subsidence is a geohazard caused by the sudden or gradual settling (years to decades) of the land surface due to the removal of subsurface material. This can be due to a variety of factors, both natural (such as earthquakes, ...
When an undersea volcano erupted in Tonga in January, its watery blast was huge and unusual—and scientists are still trying to understand its impacts.
Earth Sciences
Sep 22, 2022
1
732
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
A relatively new way of analyzing tree rings has allowed researchers to reconstruct temperatures in Mongolia since 1269 C.E. The new reconstruction confirms that since the 1990s, summer temperatures are the warmest the region ...
Earth Sciences
Aug 17, 2021
7
779
Antarctic ice is melting, contributing massive amounts of water to the world's seas and causing them to rise—but that melt is not as linear and consistent as scientists previously thought, a new analysis of 20 years' worth ...
Earth Sciences
Feb 1, 2021
2
155
