Michael Mann has been elected to the National Academy of Sciences.

After tornadoes hit his southwestern Pennsylvania hometown in 1998, 9-year-old Kyle Imhoff learned a few things. Weather events could be very dangerous — but also fascinating.

The American Meteorological Society (AMS) recently created a national award in honor of Penn State meteorology alumnus and weather pioneer Warren Washington.

Penn State researchers found that a common tool used to understand carbon dioxide fluxes, or how the gas moves between the atmosphere and ecosystems, may be overconfident because of uncertainties in the release of carbon dioxide by the combustion of fossil fuels.

A Penn State led-effort to understand greenhouse sources and sinks finds that twice as much methane is seeping into the atmosphere than the Environmental Protection Agency estimates.