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Are the movements of wildfires as predictable as the weather? And does climate change cause bigger, hotter blazes?
Fire historian Steve Pyne says our fire system resembles our health care system—it’s focused on emergencies and not prevention.
Cathy Cahill, of the University of Alaska Fairbanks, discusses air quality in the Last Frontier.
Cheatgrass, an invasive weed, chokes out native sagebrush -- and sets the stage for massive blazes.
Scientists discuss how to control the fires that have shaped and scarred the Southwest.
In this month's Science Diction, we look at the origins of the word 'comet.'
The comet ISON, discovered by two amateur astronomers last year, will zoom past ...
The European Space Agency’s Philae lander is the first probe to touch down on a ...
The Rosetta spacecraft has detected the scent of a comet...and it stinks.
As Comet ISON skirts the sun, it could be destroyed—or emerge, even more spectac...
\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t