The Medieval Historical Figures Behind Bruce Holsinger’s Novels
Discover the real men Bruce Holsinger based his characters on.
The Solar Origins of Dendrochronology
Historian George E. Webb recounts the intertwined relationship between solar physics and dendrochronology
A New Engine Sends NASA’s Dawn Spacecraft on Its Way
Dawn spacecraft's mission to Ceres is made possible by a brand new ion engine that runs off individual atoms.