As noted at NASA's 2019 Carlsbad Conference, we have good reason to think that life could have started on Mars using the same geo-organic chemistry that started life on Earth. If Martian life persists today on Mars, it may ...
Astrobiology
Jan 5, 2024
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23
Just as snow crystals form in the upper atmosphere, then fall to lower, warmer elevations and melt, scientists believe a phenomenon called iron snow happens in the molten iron cores of some planetary bodies. Cooling near ...
Planetary Sciences
Jan 3, 2024
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53
Scotland's climate is changing faster than scientists predicted, with increasing likelihood of more frequent and more extreme weather events, according to new analysis by The James Hutton Institute in Aberdeen.
Environment
Jan 3, 2024
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21
One of the hottest debates in archaeology is how and when humans first arrived in North America. Archaeologists have traditionally argued that people walked through an ice-free corridor that briefly opened between ice sheets ...
Archaeology
Dec 16, 2023
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1232
The year 2023 shattered the record for the warmest summer in the Arctic, and people and ecosystems across the region felt the impact.
Environment
Dec 13, 2023
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1
Scientists are warning that apparently stable glaciers in the Antarctic can "switch very rapidly" and lose large quantities of ice as a result of warmer oceans.
Earth Sciences
Nov 28, 2023
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99
Projecting when and how fast the West Antarctic Ice Sheet will lose mass due to current and future global ocean warming—and the likely impact on sea level rise and coastal communities—is a priority for climate science.
Earth Sciences
Nov 14, 2023
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4
The way ice forms is a lot more interesting than you think. This basic physical process, among the most common in nature, also remains somewhat mysterious despite decades of scientific scrutiny.
Cell & Microbiology
Nov 13, 2023
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50
The fact that polar bears in Greenland are under threat is not a recent development. They have increasingly come to symbolize the challenges posed by melting polar ice and the broader climate crisis in recent years. Nevertheless, ...
Plants & Animals
Nov 10, 2023
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32
Data assimilation is the combination of the latest observations with a short-range forecast to obtain the best possible estimate of the current state of the Earth system. Machine learning can contribute to it by optimizing ...
Earth Sciences
Nov 7, 2023
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