There are no specific sources, but the Internet today is unlimited. In it you can find absolutely any news about the cryptocurrency.
You are right internet is so wide and we can get information about anything so fast but I think here in this forum we can get all information about bitcoin easily, now we are having much better options than TV and news, because in this forum it is so easy to get good information about any crypto currency so I am sure bitcoin is the best coin and we can get information about it here easily.