The Rev. James Kurzynski is a Catholic priest in the Diocese of LaCrosse, Wis., and a hobby astronomer. He writes frequently for the Vatican Observatory blog.

Brother Guy Consolmagno is a Jesuit and director of the the Vatican Observatory, as well as president of its foundation. He is a frequent commentator on religion and science and wrote the pamphlet “Intelligent Life in the Universe: Catholic belief and the search for extraterrestrial life.” The observatory is in Tucson, Ariz.

The Rev. Thomas O’Meara is a Catholic priest and professor emeritus at Notre Dame University. He is the author of Vast Universe: Extraterrestrials and Christian Revelation.

Gary Bates is an evangelical Christian and young-Earth creationist associated with Creation Ministries International in Atlanta. He speaks frequently about UFOs and Christianity.

Daniel Bennett is an assistant professor of political science at John Brown University in Siloam Springs, Ark., and the author of Defending the Faith: The Politics of the Christian Conservative Legal Movement.

Margot Cleveland is a lawyer and an adjunct professor for the college of business at the University of Notre Dame in Notre Dame, Ind. She wrote a column for The Federalist, where she is a senior contributor, about why she believes the Supreme Court will rule in favor of Masterpiece Cakeshop owner Jack Phillips — which […]

Elizabeth Oldmixon is a professor of sociology at the University of North Texas in Denton and editor-in-chief of the journal Politics and Religion. She co-authored a chapter on priest burnout and political engagement in The Catholic Church in Ireland Today.

John Waldmeir is a professor of religious studies at Loras College in Dubuque, Iowa, where there is an Irish studies program within the Catholic studies program. He is the author of a forthcoming book on the Catholic church in Ireland.

John Littleton is a Catholic priest and director of the Priory Institute in Dublin. He is co-editor of Contemporary Catholicism in Ireland: A Critical Appraisal and Irish and Catholic?: Towards an Understanding of Identity and a frequent commenter on Irish-Catholic life and issues.