Tag Archives: MOLA

Loess in the lowlands

A team of geologists led by James A. Skinner, Jr. (U.S. Geological Survey) has discovered and mapped a previously unidentified unit in the Martian northern lowlands. The unit appears to give evidence of a major climate shift long ago in … Continue reading

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Caverns in the northern lowlands?

Vast quantities of water have poured across the surface of Mars in ages past. The evidence is obvious in dozens of outflow channels, large and small. The waters emerged, scientists think, from subsurface reservoirs when the frozen ground capping them … Continue reading

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