The X-Files was known back in the '90s for everything from alien conspiracies to crackling chemistry between co-stars to the theme song that was then (and still is) easy to whistle along with. Now, ...

The popular history docuseries The Proof Is Out There returns to the History Channel with its season six premiere Friday, March 6 at 10/9c. During the season six premiere episode, a high-tech U.S.