craters

Science

A single meteorite smashed into Mars and created 2 billion craters

The Martian surface is heavily cratered Stocktrek Images, Inc. / Alamy When a single small meteorite struck Mars a few…

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Science

Siberia’s mysterious exploding craters may be caused by hot gas

One of several enormous craters discovered in remote Siberia Vasily Bogoyavlensky/AFP via Getty Images Deep, cylindrical craters in the permafrost…

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