Primordial dry ice fuels comet jets

COLLEGE PARK, Md. — One of the biggest comet findings coming out of the amazing images and data taken by the University of Maryland-led EPOXI mission as it zipped past comet Hartley 2 last week is that dry ice is the ‘jet’ fuel for this comet…

Scientists find evidence for widespread water ice on the moon

Scientists from NASA’s Diviner Lunar Radiometer Experiment team have detected the widespread presence of water ice in large areas of the moon’s south pole.
Their findings appear Oct. 22 in two papers published in the journal Science. The researc…

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