A common challenge to evolutionary theory is that while life does indeed change over time (what is known as microevolution), no one has ever seen one species evolve into another species (macroevolution).

If the tape was rewound and evolution started over from scratch, Conway Morris says, the evolutionary details would be different, but the end result would be similar: a species characterized by intelligence and complex civilization.

In this message, John Piper, one of America's most loved pastors explores the sense in which creation "begs for completeness."

Dr. Keller explains several crucial implications that result from the radical idea that humans have been made in the image of God.