The website RaptureReady.com offers a Rapture Index that measures physical signs and events that indicate the Rapture may be near.

Prophecy News Watch compiles news its editors feel is relevant to the Christian apocalypse.

Midnight Call is an online magazine of Christian prophecy that watches world events with an eye toward the Second Coming of Jesus. Email through the website.

Apocalypse Soon is a website devoted to signs of the end. It’s written and compiled by Pietro Arnese, a Christian layperson.

John S. Feinberg is chair of the department of biblical and systematic theology and professor of biblical and systematic theology at Trinity Evangelical Divinity School in Deerfield, Ill. He wrote The Many Faces of Evil: Theological Systems and the Problems of Evil.

Barry Bryant is an associate professor of United Methodist and Wesleyan studies at Garrett-Evangelical Theological Seminary in Evanston, Ill. He has written about John Wesley and the origins of evil.

Michael Bergmann is a philosophy professor at Purdue University in West Lafayette, Ind., whose specializations include the philosophy of religion. He has written about evil and is co-editor of  Divine Evil?: The Moral Character of the God of Abraham (2011).

Marilyn McCord Adams is Distinguished Research Professor of Philosophy at the University of North Carolina at Chapel Hill. She has written extensively about the problem of evil, including two books on the topic: Horrendous Evils and the Goodness of God and Christ and Horrors: the Coherence of Christology.

Daniel Harlow is a religion professor at Calvin College in Grand Rapids, Mich., whose research interests include evolutionary science and Christian theology. When Harlow wrote an article questioning the historical Adam, he faced a college investigation.