What happens when a solar superstorm hits Mars? Thanks to the European Space Agency’s Mars orbiters, we now know: glitching ...
Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...
In geological layers around the world (particularly in the southwestern U.S.) roughly one billion years of rock are missing—a mystery known as the “Great Unconformity." ...
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