Through the Wormhole with Morgan Freeman

Odds are excellent that extraterrestrial life exists, but we haven't yet found aliens out in the galaxy. New research suggests it's possible alien life is already here hiding inside our technology or even inside our bodies.

The Matrix may seem like a far-fetched movie fantasy, but scientists in a variety of fields are taking seriously the possibility that we live in a virtual reality. Maybe what looks random has already been programmed to happen.

An American with less than a second to decide to shoot a man who might be armed is more likely to mistakenly shoot a black man than a white man. Brain imaging studies show that negative stereotypes hijack our subconscious.

We move around in space, but we are stuck always moving forward in time. Scientists look into whether our experience of the ticking clock is merely a trick of the mind, and if science could ever make the clock move backward.

Evolution tells us that all life exists for the purpose of reproduction, but scientists ask how such a simple imperative could lead us to create great civilizations. A new theory suggests that we have another purpose.

The brains of pathological liars may provide insights about whether our brains are wired for lying from a young age. Technology may make it easier for us to be dishonest, or it could someday instantly reveal when someone is lying.