Skip to main content
U.S. flag

An official website of the United States government

Callum A Walter, PhD

Callum is a postdoctoral researcher with the GMEG Science Center and NASA Ames at Moffett Field, CA. Since joining the USGS in 2023, he has devoted his career to studying off-world resources and specializes in the detection of lunar water ice. Presently, his research focuses on developing geophysical techniques to characterize off-world resource potential and advance mineral exploration on Earth.