Religions

Millennials are less religious than older Americans and less likely to identify with a religious group, and those traits are reflected in the way they celebrate Christmas.

Acceptance of homosexuality is rising across the broad spectrum of American Christianity, including among members of churches that strongly oppose homosexual relationships as sinful.

When GOP presidential candidates meet in Las Vegas tonight for their sixth debate, terrorism, foreign policy and national security are expected to be major topics.

Religious institutions are starting to formally address the participation of transgender people in their congregations, much as they have with the issue of accepting homosexuals.

The three countries on the pope’s itinerary -- Uganda, Kenya and the Central African Republic -- all have sizable Catholic populations. But they also have seen violent clashes in recent years.

Public opinion data going back to the 1930s shows that generally speaking, Americans oppose large numbers of refugees entering the country.

Most people in the countries we surveyed – including 11 countries with significant Muslim populations – had negative views of the Islamic State extremist group as of spring.

Some of the largest Christian denominations in the U.S. have relatively low levels of involvement among their members.

Religious "nones" make up 23% of U.S. adults, up from 16% in 2007. And only 27% of those “nones” are absolutely certain about God’s existence, down from 36% in 2007.

72% of Americans believe in heaven, while 58% believe in hell.