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

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.

Pterosaur with 1-meter-long skull was Australia's largest known flying reptile.