When a volcano calls to this man, he answers by laying down on the rim and watching for hours at a time.
Despite the massive wildfires that have swept the western U.S. in recent years, the region has barely begun paying down the huge fire deficit it has accumulated over the last 100 years.
The soils of the San Joaquin Valley in California have a dirty secret.
The same technology that pesters you with targeted advertisements on the internet was adapted to help seismologists locate the planet's earthquake hotspots.
Tiny particles of air pollution may be an important factor in America's worsening diabetes epidemic.
A new threshold for flying around volcanic ash plumes will lead to less delays and cancellations during the current Icelandic eruption.
On June 6, 1912, the world's largest volcanic eruption of the 20th century shocked a small town in Alaska.
By looking at the throat of a volcano geologists can determine how it will erupt.
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