The mountainous region around the border of Afghanistan and Pakistan is an unstable place, and not just because of its long history of invasions and civil war. Continue reading →
Could a sudden volcano collapse create a wave over 50 stories high? Scientists think so. Continue reading →
Why are so many travelers drawn to places of tragedy, disaster, and death?
Ecuador's president Rafael Correa said Saturday he will declare a state of emergency as the Cotopaxi volcano rumbled to life and prompted evacuation orders in several villages threatened by landslides.
Fires are burning out of control in parts of California and one person has died in the effort to contain the drought-fueled blazes.
A small quake in San Francisco on Tuesday reminds that a much more damaging quake is due any day now.
Big simulators are playing a major role in the rapid development of research and technology that saves lives.
Sand dunes are mysterious and beautiful. Find out how they work and what they hide.
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