dry ice

Giant Spiders on Mars!

by Jason Major November 16, 2012

Want to stay on top of all the space news? Follow @universetoday on Twitter Eek, spiders! All right, so it’s not actually little green arachnids we’re talking about here, but they are definitely spidery features. Called araneiform terrain, these clusters of radially-branching cracks in Mars’ south polar surface are the result of the progressing spring […]

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Mars’ Underground Atmosphere

by Jason Major April 26, 2011

Scientists have spotted an underground reservoir near Mars’ south pole the size of Lake Superior… except that this lake is filled with frozen carbon dioxide – a.k.a. “dry ice”! A recent report by scientists at the Southwest Research Institute in Boulder, CO reveals variations in Mars’ axial tilt can change how much carbon dioxide gets […]

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