Oldest known sponge found in China

(Phys.org)—A team of researchers with members from China, the U.S. and France has identified an ancient sponge found in a geologic formation in southern China and have dated it to 600 million years ago. In their paper published ...

Geologists map rocks to soak CO2 from air

A new report by scientists at Columbia University's Earth Institute and the US Geological Survey points to an abundant supply of carbon-trapping rock in the US that could be used to help stabilize global warming.

Large boulders help shape huge canyons, researchers find

Anyone who enjoys whitewater rafting in places like the Colorado River owes a debt of gratitude to the enormous boulders that create the foaming undulation known as rapids, and new research appears to shed more light on how ...

Giant animals lived in Amazonian mega-wetland

A land of giants: This is the best definition for Lake Pebas, a mega-wetland that existed in western Amazonia during the Miocene Epoch, which lasted from 23 million to 5.3 million years ago.

Life's history in iron

A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.

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