How Mars became bone-dry, ice-cold

Solar wind and radiation have caused Mars to surrender much of its atmospheric gases to space, transforming the warm and wet red planet into a frosty desert, reveals a new study1.

“This study tells us how the bulk of the Mars atmosphere was lost to space, significantly contributing to evolution of its climate,” says lead author Bruce Jakosky from the University of Colorado, Boulder, USA. “This has important implications for understanding the history of the habitability of Mars by microbes.” read more

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