Join us for our Speaker Brother Guy Consolmagno SJ of the Vatican Observatory Foundation topic TBA

Br. Guy Consolmagno, SJ, was born in 1952 in Detroit, Michigan. He obtained his Bachelor of Science in 1974 and Master of Science in 1975 in Earth and Planetary Sciences from the Massachusetts Institute of Technology, and his Ph.D. in Planetary Science from the University of Arizona in 1978. From 1978-80 he was a postdoctoral fellow and lecturer at the Harvard College Observatory, and from 1980-1983 continued as postdoc and lecturer at MIT.

Br. Guy has served on the governing boards of the Meteoritical Society; the International Astronomical Union's (IAU) Division III, Planetary Systems Science (secretary, 2000 - present) and Commission 16, Moons and Planets (president, 2003-2006); and the American Astronomical Society Division for Planetary Sciences (chair, 2006-2007). Since 2008 he has been a member of the IAU Working Group on Planetary System Nomenclature and the Mars Nomenclature Task Group; in 2015 he became chair of the Mars TG.

He has coauthored two astronomy books: Turn Left at Orion (with Dan M. Davis; Cambridge University Press, 1989) and Worlds Apart (with Martha W. Schaefer; Prentice Hall, 1993). He is the author or co-author of four books exploring faith and science issues, including The Way to the Dwelling of Light (U of Notre Dame Press, 1998); Brother Astronomer (McGraw Hill, 2000); God's Mechanics (Jossey-Bass, 2007), and Would You Baptize an Extraterrestrial? (With Paul Mueller, Image, 2014). He also edited The Heavens Proclaim (Vatican Observatory Publications, 2009).  Since 2004 he has written a monthly column on astronomy for the British Catholic periodical, The Tablet.

Br. Guy's most recent book is A Jesuit's Guide to the Stars: Exploring Wonder, Beauty, and Science

Br. Guy retired as Director of the Vatican Observatory on September 19, 2025, after serving two five-year terms.

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