American Geophysical Union

New study favors cold, icy early Mars

The high seas of Mars may never have existed, according to a new study that looks at two opposite climate scenarios of early Mars and suggests that a cold and icy planet billions of years ago better explains ...

dateJun 15, 2015 in Space Exploration
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The ebb and flow of Greenland's glaciers

In northwestern Greenland, glaciers flow from the main ice sheet to the ocean in see-sawing seasonal patterns. The ice generally flows faster in the summer than in winter, and the ends of glaciers, jutting ...

dateJun 01, 2015 in Earth Sciences
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