Laurence A. Marschall

Laurence A. Marschall is W.K.T. Sahm Professor of Physics at Gettysburg College in Pennsylvania, and coauthor, with Stephen P. Maran, of Galileo’s New Universe: The Revolution in Our Understanding of the Cosmos, published by BenBella Books.

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Recent Stories

A true but unlikely tale

Story and Photographs by William Rowan

Increasing day length on the early Earth boosted oxygen released by photosynthetic cyanobacteria.

Genomic evidence shows that Denisovans and modern humans may have overlapped in Wallacea.

Evapotranspiration is the largest source of water vapor in the Congo rainforest during the spring rainy season.