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The Earth is constantly subjected to an overwhelming influx of cosmic rays — subatomic particles that are undetectable to the human eye and originate from sources such as the sun and supernova explosions. As these high-energy cosmic rays, which have traveled great distances, make their way into the

Sixty per cent of the world’s fresh water is bound up in Antarctic ice sheets. Thirty million cubic kilometers of ice is perhaps a difficult number to...

A team of researchers used radioisotope analysis to document erosion rates in the Andes Mountains of Argentina.