Capt. Rafael Lantigua, Jr., the first Muslim chaplain in the National Guard, has been explaining America to Muslims overseas, and Islam to Americans at home.

In part five of our Chaplains series, we profile the first Muslim chaplain to serve in the National Guard. And we explore "moral injury," a new name for an old kind of suffering in wartime.

Frank Meeink became a skinhead at 13, and by 16 he had become one of the most notorious skinhead gang leaders on the East Coast. Today he's left that life behind, and he's helping others do the same.

In early 2015, Duke University quietly announced it would begin broadcasting the Muslim call to prayer from its Christian chapel. But not everyone liked the idea of the Muslim testament of faith amplified from a church.

So what did Liberty students think of Kevin Roose's semester as an undercover student -- did they feel betrayed? We talked to the student body president at Liberty, who was on campus when Kevin's book was published in 20

In 2009, Kevin Roose, a self proclaimed "God-ambivalent" senior at an ivy league college, spent a semester at the largest evangelical Christian university in the world. He called it his "domestic study abroad program."

As we enter the back-to-school season, we're exploring how religion plays out on two very different college campuses--Liberty University and Duke University.

Call it the ultimate interfaith dialogue: A theologian and a scientist from SETI discuss the moral and religious implications of human contact with intelligent alien life.

From the ancient Egyptians to Americans wearing solar eclipse glasses, humans have long viewed the sky as a kind of great celestial stage, a place where we can forecast the future and even encounter the divine.

Every human culture has looked to the night sky to understand itself. In the stars and planets we see order, beauty and mystery--and often a spectacular glimpse of God.