Judaism 101 provides a summary page on marriage. The page describes Jewish beliefs on topics including soul mates, a typical wedding and the marital relationship.

JewishEncyclopedia.com provides a summary page on marriage.

The United States Conference of Catholic Bishops provides a summary page on marriage and family. The page includes links to official documents from the Vatican and bishops, blessings and prayers for Catholic households and prayer cards for married couples.

Read the United Methodist Church’s statement on marriage and family. The site also provides links to the denomination’s statements on family, divorce and adoption, among other topics.

Read the Southern Baptist Convention’s position statement on marriage and sexuality. The site also includes marriage in a summary of the denomination’s basic beliefs.

Focus on the Family provides a summary page on marriage.

ReligiousTolerance.org provides a summary page on marriage. The page includes links to information on different types of marriage, polygamy, same-sex marriage and divorce and remarriage.

An August 10, 2011 report from the Brookings Institution details the growing “instability” of family life among young adult couple who have finished high school but do not have a four-year college degree.

Read a June 26, 2009, New York Times article on how most Americans who discover a cheating spouse remain married to that person.