Earth’s First Crust Was Continental – Long Before Plate Tectonics Began
New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we associate with modern continents. This means the telltale fingerprints of ...
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Earth's crust collapsing beneath the United States 🌍
Beneath the American Midwest, part of the continent is gradually losing its foundation. This slow geological phenomenon, ...
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North America is 'dripping' blobs of rock down into Earth's mantle under the U.S.
Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in blobs of rock.
Microscopy reveals signs of life in Earth's extremes, boosting search for alien life
New research from Portland State University focused on identifying signs of life—biosignatures—in extreme environments here ...