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American Geophysical Union

Illustrations by the 17th-century astronomer Cassini (a-c), compared with Jupiter's current Great Red Spot as captured by Eric Sussenbach in 2023.

Jupiter’s Great Red Spot Formed Less Than 200 Years Ago, Study Suggests

Categories Space

Old Town Alexandria, Virginia, in May 2016 after high tides in the Potomac River inundated the street. Floods like these will occur more frequently as sea levels inch toward coastal infrastructure. Credit: NOAA

100-year floods could occur yearly by end of 21st century

Categories Earth, Energy & Environment

A climate intervention strategy called enhanced rock weathering, if applied globally, could help meet a key IPCC goal for slowing climate change, according to new research published in the AGU journal Earth’s Future. Enhanced rock weathering improves soil health, sequesters carbon, and combats ocean acidification.

“Planting” rocks in farms could help meet key IPCC carbon removal goal

Categories Earth, Energy & Environment

Impact craters and their broader structures can be visible in a geologic map, like a bullseye. But what geophysical traces remain at the structure’s outermost edges?

Earth’s most ancient impact craters are disappearing

Categories Earth, Energy & Environment

Steamboat Geyser erupts and sends a jet of water and steam above the treeline. This mineral-rich water damages trees that grow within spraying distance of the geyer. Credit: Mara H. Reed

Petrified trees reveal Yellowstone geyser’s ongoing battle with drought

Categories Earth, Energy & Environment

Soil. Credit Pixabay

No-till approach could end Midwest topsoil loss

Categories Earth, Energy & Environment

Much of the southern Greenland Ice Sheet, shown here, will melt irreversibly if we emit about 1000 gigatons of carbon, according to models in a new Geophysical Research Letters study. Credit: NASA GSFC

The Greenland Ice Sheet is close to a melting point of no return

Categories Earth, Energy & Environment

Seawater

Worst impacts of sea level rise will hit earlier than expected

Categories Earth, Energy & Environment, Social Sciences

Poorest people bear growing burden of heat waves as temperatures rise

Categories Earth, Energy & Environment, Social Sciences

Groundwater in California’s Central Valley may be unable to recover from past and future droughts

Categories Earth, Energy & Environment

Carbon dioxide cold traps on the moon are confirmed for the first time

Categories Space

Early Earth’s hot mantle may have led to Archean ‘water world’

Categories Earth, Energy & Environment

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