Tag: impacts

Ancient craters teach us Earth’s history, but scientists can’t find them

A new study in JGR Planets investigates one of the oldest known craters to learn how to find even older ones. Sean Gulick and Nicola…

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Impacts Diverted Watersheds on Early Mars

A billion years ago, a massive rock slammed into Mars and gouged a crater into the surface the size of Houston. Back then, rivers flowed…

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