EXCLUSIVE: The Discovery networks have picked up two mystery docuseries after striking a deal with Big Media. Greatest Mysteries Ever and Alien Files: Reopened will air on the Warner Bros.

Factual producer/distributor Big Media has signed licensing deals with Warner Bros. Discovery for two of its historical investigation series, Greatest Mysteries Ever and Alien Files: Reopened.

Revisit the most compelling mysteries explored over the past 15 years of "Ancient Aliens." Experts like Giorgio Tsoukalos, David Childress, William Henry, and Jason Martell engage in conversations ...

No matter how many times the U.S. government tells us there’s nothing to see in the skies, we just can’t seem to shake the feeling that something out there is watching. Even after the Department of ...

Add Yahoo as a preferred source to see more of our stories on Google. EXCLUSIVE: The Discovery networks have picked up two mystery docuseries after striking a deal with Big Media. Big Media, which was ...