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A swastika-shaped geoglyph can be seen from above the Kazakhstan desert. Credit: Image copyright DigitalGlobe, courtesy Google Earth Enlarge Sprawling earthen swastika designs, crosses and rings that cover part of Kazakhstan are becoming a little less mysterious: Archaeologists have found and investigated 60 of these symbols, called geoglyphs, and determined when […]

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These dark, narrow, 100 meter-long streaks called recurring slope lineae flowing downhill on Mars are inferred to have been formed by contemporary flowing water. Credit: NASA/JPL/University of Arizona Enlarge (Phys.org)—One of the biggest and most important findings made by NASA recently was the confirmation that liquid water currently flows on […]