EarthMarch 19, 2009
Tonga volcano spews spectacular plume into South Pacific sky
A Guide to Volcanoes
From Pompeii to Mount Pinatubo, volcanoes might have shaped Earth's surface, but also killed thousands. What makes magma burst from the ground as lava? Can scientists predict dangerous eruptions?
The SciencesFebruary 25, 2009
What's the Point of Volcano Monitoring?
Some GOPers mock funding of volcano observation programs, but an expert says volcanoes are potentially deadly and should be watched, lest they blow their tops
EnvironmentNovember 6, 2008
Where will Mauna Loa erupt?
Natural DisastersNovember 6, 2008
Volcanoes: Nature’s Way of Letting Off Steam
A slide show of eruptions and their impacts around the world
EnvironmentJanuary 5, 2007
Scientific Nature: Researchers Use Volcanic Eruption as Climate Lab
When Mount Pinatubo erupted in 1991 it left a trail of evidence in the skies that is helping scientists decipher the workings of the global climate
The SciencesJune 1, 2006
The Secrets of Supervolcanoes
MIcroscopic crystals of volcanic ash are revealing surprising clues about the world's most devastating eruptions
The SciencesDecember 2, 2005
Geologists Link the "Great Dying" to Volcanism
EnvironmentOctober 4, 2005
How do volcanoes affect world climate?
EnvironmentAugust 1, 2005
Rebuilding a Volcano
Mount St. Helens may be patching in its 1980 crater
The SciencesNovember 1, 2004
Volcanic Sniffing
Quantum-cascade laser may detect impending eruptions
EnvironmentMarch 28, 2003
In Aftermath of Volcanic Eruption, Photosynthesis Waxes, Carbon Dioxide Wanes
EnvironmentFebruary 28, 2002
Silent Volcanic Quakes Could Portend Tsunamis
EnvironmentMarch 12, 2001
Moving Mountains
Volcanoes swell and collapse back down in what seem like great, heaving sighs. These movements may help scientists better predict eruptions
EnvironmentJanuary 25, 2001
Solving a Volcanic Mystery
EnvironmentNovember 29, 1999
Erupting Io
EarthNovember 29, 1999
What Causes a Volcano to Erupt, and How Do Scientists Predict Eruptions?
Volcanologists cannot yet predict a volcanic eruption
EarthOctober 6, 1997
Why is the earth's core so hot? And how do scientists measure its temperature?
Quentin Williams, associate professor of earth sciences at the University of California at Santa Cruz offers this explanation