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Mars' core formed at a surprising speed, much faster than Earth's. Recent experiments reveal the key role of iron and nickel sulfides in this process. Planets like Mars are structured in ...
More than 514 million years ago, long before dinosaurs roamed Earth, sponge-like creatures called archaeocyathids were ...
Novel findings from ​​University of Wisconsin, Oshkosh, geologist Timothy Paulsen and University of Colorado, Boulder, ...