Scientists find unequivocal evidence that thunderstorms move ozone from the stratosphere down toward Earth's surface, affecting air quality and climate.

A new study led by NASA and NCAR shows that tropical forests may be absorbing far more human-emitted carbon dioxide than many scientists thought.

A piece of coral in a University of Arizona lab has revealed a link between Pacific trade winds and shifts in 20th century climate.

The collaboration will expand visualization capabilities in the bio- and geosciences, thanks to a grant from the National Science Foundation.

The Institute for the Study of Knowledge Management in Education will ensure the long-term sustainability of NSDL.