A new analysis of ice grains bursting from Enceladus' water ice plumes strongly suggests life is possible on Saturn's ...

Fountains from the south vent at Kilauea's summit crater soared 1,300 feet (400 meters) into the air, the U.S. Geological ...

Light showers, shifting winds, and increased vog from Kīlauea are expected across Hawaii this week, with a chance of heavier ...

Hawaii's Kilauea volcano has been shooting lava from its summit crater at semiregular intervals since late last year, ...

With unprecedented clarity, scientists have directly observed a subduction zone—the collision point where one tectonic plate ...

Volcanoes are among the most powerful forces of nature. Throughout history, some eruptions have shaken the Earth, changed the ...

In late January, something began to stir beneath the idyllic Greek islands of Santorini, Amorgos, and Anafi. These Aegean ...

The region lies at the intersection of major tectonic boundaries that are known for generating powerful earthquakes and volcanic activity.

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

Mount St. Helens looked like it might be erupting again. Commercial pilots flying in the area Tuesday reported clouds of fine volcanic ash rising into the air above the collapsed dome of the Cascades’ ...