Last week's rain and floods in California may soon give way to concerns about drought in the West as spring kicks off the region's dry season. This year's storms won't erase looming ...

NASA's Landsat 8 satellite snapped a stunning top-down view of an "unusually spectacular" Mount Etna eruption. Infrared data makes the volcano's lava river really pop.

Mad River Glen, meanwhile, is ideal for the hard-core powder hounds, with challenging terrain, narrow trails, and natural ...

A red-hot lava flow two miles long has been attracting crowds to the slopes of Mount Etna on the island of Sicily, Italy.

An improvement in freshwater biodiversity in England's rivers was linked to reductions in pollution of zinc and copper, largely due to the decline of coal burning and heavy industry, say researchers.