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Latest Owen Toon Stories

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2006-12-12 00:15:00

By ALICIA CHANG SAN FRANCISCO - Some of the scientists who first advanced the controversial "nuclear winter" theory more than two decades ago have come up with another bleak forecast: Even a regional nuclear war would devastate the environment. Using modern climate and population models, researchers estimated that a small-scale nuclear conflict between two warring nations would cause 3 million to 17 million immediate casualties and lead to a marked cooldown of the planet that could lead to...

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2005-04-08 03:45:00

A new University of Colorado at Boulder study indicates Earth in its infancy probably had substantial quantities of hydrogen in its atmosphere, a surprising finding that may alter the way many scientists think about how life began on the planet. Astrobiology Magazine -- A new University of Colorado at Boulder study indicates Earth in its infancy probably had substantial quantities of hydrogen in its atmosphere, a surprising finding that may alter the way many scientists think about how life...