(Phys.org) —Mars' northern-most sand dunes are beginning to emerge from their winter cover of seasonal carbon dioxide (dry) ice. Dark, bare south-facing slopes are soaking up the warmth of the sun.
Space Exploration
Mar 7, 2014
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Scientists expressed alarm on Monday over the rapid acidification of the Arctic Ocean caused by carbon dioxide emissions, which could have dire consequences on the region's fragile ecosystem.
Environment
May 6, 2013
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As the Earth warmed coming out of the last ice age, the rate of plankton production off the Pacific Northwest coast decreased, a new study has found, though the amount of organic material making its way to the deep ocean ...
Earth Sciences
Dec 2, 2014
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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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Most of the moon's permanently shadowed areas arose less than 2.2 billion years ago and some trapped ice during the recent past, according to research led by Planetary Science Institute Senior Scientist Norbert Schorghofer.
Planetary Sciences
Sep 13, 2023
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118
Sea ice and wildfires may be more interconnected than previously thought, according to new research out today in Science Advances.
Earth Sciences
Jul 27, 2022
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226
Climate modelers from the University of New Hampshire have shown that the most likely explanation for the initiation of Antarctic glaciation during a major climate shift 34 million years ago was decreased carbon dioxide (CO2) ...
Earth Sciences
Jul 30, 2014
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Lurking in a lake half a mile beneath Antarctica's icy surface, methane-eating microbes may mitigate the release of this greenhouse gas into the atmosphere as ice sheets retreat.
Environment
Jul 31, 2017
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An executive summary of the UN special report on limiting global warming to 1.5 degrees Celsius will be vetted in South Korea this week, line-by-line, by diplomats under the 195-nation Intergovernmental Panel on Climate Change ...
Environment
Oct 1, 2018
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In response to growing concerns about our planet’s changing climate, rising global temperatures and sea levels, and increasing concentrations of atmospheric carbon dioxide (CO2), scientists are looking to the planet’s ...
Earth Sciences
Apr 29, 2010
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