You may think of dust as an annoyance to be vacuumed and disposed of, but actually, on a grander scale, it is far more important than most people realize. Globally, dust plays a critical role in regulating our climate, radiation ...
Earth Sciences
Apr 2, 2024
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15
A new study, published in the scientific journal Frontiers in Marine Science, reports unprecedented evidence of ecological responses by calcifying phytoplankton to the deposition of nutrients provided by the Saharan dust.
Ecology
Dec 29, 2023
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4
New research led by an Oregon State University scientist begins to unravel the role dust plays in nourishing global ocean ecosystems while helping regulate atmospheric carbon dioxide levels.
Earth Sciences
May 4, 2023
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25
A Wolf-Rayet star is a rare prelude to the famous final act of a massive star: the supernova. As one of its first observations in 2022, the NASA/ESA/CSA James Webb Space Telescope captured the Wolf-Rayet star WR 124 in unprecedented ...
Astronomy
Mar 14, 2023
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1817
For the first time in its eight years orbiting Mars, NASA's MAVEN mission witnessed two different types of ultraviolet aurorae simultaneously, the result of solar storms that began on Aug. 27.
Planetary Sciences
Nov 10, 2022
2
44
A University of Alabama in Huntsville (UAH) student says his examination of the combined influence of dust and smoke on surface atmosphere temperatures in sub-Saharan Africa likely applies to conditions in the American West, ...
Earth Sciences
Jun 23, 2022
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12
NASA's Curiosity rover landed on Mars on Aug. 6, 2012, and since then has roamed Gale Crater taking samples and sending the results back home for researchers to interpret. Analysis of carbon isotopes in sediment samples taken ...
Planetary Sciences
Jan 17, 2022
8
793
Dust is a critical component in the Martian atmosphere. It influences the atmosphere's circulation by heating or cooling it and is in turn redistributed around the planet by atmospheric winds. In this dust cycle, dust storms ...
Space Exploration
Jun 17, 2019
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23
Approximately every two Earth years, when it is summer on the southern hemisphere of Mars, a window opens: Only in this season can water vapor efficiently rise from the lower into the upper Martian atmosphere. There, winds ...
Space Exploration
May 10, 2019
17
1785
In recent Earth history, climate has varied following ~100,000 year, glacial-interglacial cycles with higher and lower temperatures and greenhouse gas concentrations. During the coldest glacial conditions, global mean temperatures ...
Earth Sciences
Feb 22, 2018
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19
