Secrets of the Universe

In the shadows of the Smoky Mountains lives a football dynasty. Alcoa High School is southern Appalachia's true football powerhouse.

How, from bizarre ancient markings to random numbers and letters, codes and ciphers have been used for millennia to send secret messages, hide identities.

With personal interviews, Legends of Speed not only describes dramatic happenings on the race tracks, but also puts a spotlight on the fears, and the courage of the drivers and their relatives. All of them deal differently with the extreme sport of "Formula One" racing, but they all have one thing in common and that is the will to win.

How will humans take the next step into outer space - traveling to Mars not to visit, but to stay?

It was a rendezvous a decade in the making. The New Horizons spacecraft rocketed from Earth to provide the first ever close-ups of the farthest planet in our solar system, Pluto. Join New Horizons and its team as it makes its historic approach, revealing a world unlike any other we've ever seen. Interviews with leading team members and planetary scientists will help us unlock the secrets of this far away planet.