The solar system has eight planets. In 2006, astronomers reclassified Pluto as a dwarf planet, the same class that contains Eris, Sedna, Quaoar, Ceres and perhaps many more solar system small bodies. These are defined approximately ...
Astronomy
Mar 14, 2022
5
815
Scientists at EPFL and the Paul Scherrer Institute (PSI) have studied the chemical composition and origin—whether natural or anthropogenic—of aerosols in a region spanning from Russia to Canada. Their findings provide ...
Earth Sciences
Mar 1, 2022
0
38
The South Asian monsoon, also known as Indian summer monsoon (ISM), is crucial for the food security and socioeconomic well-being of 40% of the world's population. From a historical perspective, fluctuations in monsoon rainfall ...
Earth Sciences
Feb 28, 2022
0
93
NASA has announced plans for the International Space Station (ISS) to be officially decommissioned in 2031. After dozens of launches since 1998 got the station up and into orbit, bringing it down will be a feat of its own—the ...
Space Exploration
Feb 18, 2022
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58
Through analyses of ice cores from Greenland and Antarctica, a research team led by Lund University in Sweden has found evidence of an extreme solar storm that occurred about 9,200 years ago. What puzzles the researchers ...
Planetary Sciences
Jan 26, 2022
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837
Food supply has always been a major concern in Tibet's development. As the Qinghai-Tibet Plateau is particularly sensitive to climate change, it is important to clarify the impact of climate change on the yield of cereal, ...
Ecology
Jan 24, 2022
0
6
Launching with the Artemis I uncrewed test flight, NASA's shoebox-size Near-Earth Asteroid Scout will chase down what will become the smallest asteroid ever to be visited by a spacecraft. It will get there by unfurling a ...
Astronomy
Jan 20, 2022
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13
On December 25, 2021, astronomers and space exploration enthusiasts got the greatest Christmas present of all—after years of delays, cost overruns and additional testing, the James Webb Space Telescope (JWST) launched from ...
Astronomy
Jan 5, 2022
0
225
Observations suggest a warming trend in the Arctic, and a cooling trend in Eurasia during the past several decades. Is there a cause-and-effect relationship in this pattern? The question has been hotly debated for quite a ...
Environment
Dec 30, 2021
0
69
Two teams of researchers are publishing their findings thus far after initial study of samples collected from the asteroid Ryugu and returned to Earth last year by the Japanese space probe Hayabusa2. Both teams are large ...
