the American parent announced over a year ago that it was shutting down H2, but would keep the brand alive in other countries, so you probably won't see much original content on that channel.
I'm not sure where you saw that ANCIENT ALIENS would be airing new episodes, since they completed the current season on 9/2/16 in the U.S. and it has yet to be renewed (Source
.) I checked Zap2it.com and H2 is currently airing episodes from 2015 and 2016.
If you would like to discuss H2 further, you can use this thread: