Before Islam reached Iran in the 7th century, the country had a long and complex religious history. The best-known of these earlier religions is Zoroastrianism, but it was not the only one. Over ...

A History of the Muslim World: From Its Origins to the Dawn of Modernity; By Michael A. Cook; Princeton University Press; 960 pp., $39.95 “The text,” Ted replies. “OK, that’s right. But they never ...

A lost city thought to be more than 1,000 years old has been discovered in Ethiopia and may offer insight into Islam's origins in the country. The settlement, located near Ethiopia's second largest ...

When it comes to interfaith dialogue, Muhammed Abu Layla’s memory can seem disconcertingly long. “Even during the crusades, we had good relations with you,” Mr. Abu Layla says, with an expansive ...

There is a culture war in the West over Islam. It has flared up again following last year’s attacks in Paris and San Bernardino, the daily predations of the Islamic State in Iraq and Syria and the ...

In the fall of 1776, as the newly independent American colonies set about drafting their individual state constitutions, a furious debate erupted over the rights of religious minorities. Preachers and ...

Tensions between Saudi Arabia and Iran have reached new heights with Riyadh's execution on Saturday of a Shiite cleric despite Tehran's calls for clemency. Here are some questions and answers about ...