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.
Glaciers are melting rapidly, reducing ice and freshwater supplies, increasing sea levels, and threatening global water ...
Earth’s glaciers are melting at an unprecedented speed, with new research showing that 300 billion tons of ice are vanishing ...