Mount Etna in Sicily has roared back into spectacular volcanic action, sending up plumes of ash and spewing lava.
Electrically charged volcanic ash short-circuited Earth's atmosphere in 1815, causing global poor weather and Napoleon's defeat, says new research.
By mapping the heat escaping from below the Greenland Ice Sheet, a NASA scientist has sharpened our understanding of the dynamics that dominate and shape terrestrial planets.
Using mass spectrometry data from NASA's Cassini spacecraft, scientists found that large, carbon-rich organic molecules are ejected from cracks in the icy surface of Saturn's moon Enceladus. Southwest Research Institute scientists ...
A new NASA study explains why the Tracy and Heilprin glaciers, which flow side by side into Inglefield Gulf in northwest Greenland, are melting at radically different rates.
Officials on Hawaii's Big Island let some people back into their homes and scaled down emergency operations Monday as lava flowed into the ocean on a path that wasn't threatening new areas.
Earthquakes were damaging roads and buildings on Hawaii's Big Island on Wednesday as ash emissions streamed from Kilauea volcano.
Warnings to pilots remained in effect Wednesday after more unrest at Kilauea volcano on Hawaii's Big Island.
A fresh look at data from a 1997 flyby of Jupiter's moon, Europa, suggests that NASA's Galileo spacecraft flew directly through a watery plume, raising hopes of probing the jets for signs of life around the second planet ...
The Saharan dust cloud that cast a red glow over the UK last autumn helped scientists to take a step forward in understanding how to prepare for future volcanic eruptions.