Peter J. Heaney

Peter J. Heaney has been a professor of geosciences at Penn State University since 1998, and in 2008 he served as president of the Mineralogical Society of America. His research interests include environmental mineralogy and the formation of gemstones.

Recent Stories

Satellite monitoring and networks of instruments on the ground can detect, but not predict, volcanic eruptions.

Doing something about the weather is no longer just talk.

Neuroscientists are beginning to understand the connections.

The long-dormant site of Spain’s first environmental protest in 1888, revisited.