Mild winter sees Pyrenees brown bears avoid hibernation

Several brown bears in the Pyrenees mountains that separate Spain from France have ditched their usual hibernation for food as winter temperatures remain unusually clement, environment and animal experts said Thursday.

Catastrophic medieval earthquakes in the Nepal

Three quakes, in 1100, 1255 and 1344, with magnitudes of around Mw 8 triggered large-scale collapses, mass wasting and initiated the redistribution of material by catastrophic debris flows on the mountain range.

Unexpected wood source for Chaco Canyon great houses

The wood in the monumental "great houses" built in Chaco Canyon by ancient Puebloans came from two different mountain ranges, according to new research from the University of Arizona Laboratory of Tree-Ring Research.

Climate change is moving mountains, research says

For millions of years global climate change has altered the structure and internal movement of mountain ranges, but the resulting glacial development and erosion can in turn change a mountain's local climate. The degree of ...

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