After lying dormant for decades, Chile's Puyehue-Cordon Caulle volcano suddenly erupted on June 4 and has since hurled a tremendous cloud of ash, as well as plumes of sulfur dioxide into the air. This ...

Scientists identify weak spots in volcanoes by analyzing rock color, a key factor in predicting risks for landslides and ...

A lake that started mysteriously growing atop Hawaii’s Kilauea volcano is puzzling scientists yet again, by exhibiting rapidly changing “dynamic colors and patterns” ... and even signs of movement.

New Horizons captured this unique view of Jupiter’s moon Io with its color camera – the Multispectral Visible Imaging Camera (MVIC) – at 00:25 UT on March 1, 2007, from a range of 2.3 million ...