A promo is out there.

The official Twitter account for The X-Files (@thexfilesfox) just teased that something will happen on July 7, 2015:

Fox will most likely release their first teaser trailer for their upcoming six-episode The X-Files mini-series that is set to premiere on Sunday, January 24, 2016.

July 7, 2015 Update: As expected, Fox released a teaser trailer for the upcoming season which can be seen below:

Image credit: Fox