According to the preliminary report of the Central Statistical Office of 1991, the rural areas account for 58 percent of the population while the urban areas account for 42 percent.

Call it sports talk for scientists. All week, some of the nation's leading hurricane researchers, meteorologists, and prognosticators have been chatting about global warming's effect on hurricanes.

Aerosols from fossil fuel burning and other human activities cool the climate by scattering incoming solar radiation, but models and estimates appear to differ on the strength of this cooling’s global effect.

Scientists who have determined how much carbon is stored annually in upper Midwest forests hope their findings will be used to accelerate global discussion about the strategy of managing forests to offset greenhouse gas emissions.

NASA has a new spacecraft operating on the surface of Mars. This afternoon, the Phoenix Mars Lander, built by Lockheed Martin (NYSE:LMT) , navigated a dramatic blazing descent through the planet's atmosphere, positioning Phoenix to dig down and touch the