Many high elevation summits in the southern and central Appalachians are broad, flat plateaus. These broad uplands contrast sharply with the rugged topography of their side slopes and the sharper ...

SANTA CRUZ, CA--Perfect circles of stones cover the ground in parts of Alaska and the Norwegian islands of Spitsbergen. Elsewhere in the far north, stones form other striking patterns on the ground: ...

This study aims to observe post-Little Ice Age glacier retreat and the constitutive patterned ground development at two French Pyrenean glacier forelands (Taillon Glacier and Pays Baché Glacier).

Images taken by the Mars Global Surveyor, now orbiting the Red Planet, suggest that most areas with geological features known as patterned ground appear at high latitudes, the same regions where large ...

Perfect circles of stones cover the ground in parts of Alaska and the Norwegian islands of Spitsbergen. Elsewhere in the far north, stones form other striking patterns on the ground: polygons, stripes ...