On Feb. 1, the U.S. Department of Health and Human Services released new rules for how the Patient Protection and Affordable Care Act's contraception mandate applies to religious nonprofits, including houses of worship, schools and hospitals. Church-state law scholars Ira C. Lupu and Robert Tuttle explain the new rules and the legal arguments that religious groups might make.

With their distinctive appearance and religious practices, Sikh-Americans often find themselves at the center of workplace discrimination cases and other controversies involving their religious rights. To better understand religious liberty and accommodation issues involving Sikh-Americans, the Pew Forum turns to church-state scholar Robert W. Tuttle.

To explore the legal issues that courts must consider in cases involving parents' use of faith healing, the Pew Research Center's Forum on Religion & Public Life turns to church-state scholar Robert W. Tuttle.

John Green discusses how values and morality, grounded in religious belief, have shaped the politics of the stem cell research debate.

The Pew Forum's legal expert David Masci explains the impact of the latest legal ruling in the battle over teaching evolution in American public schools.