brookings.edu/…/how-to-combat-fake-news-and-disin…

dhs.gov/…/phase_ii_-_combatting_targeted_disinfor…

www.un.org/en/countering-disinformation

Easy points to start with. Generally, keeping a neutral view on something new, and striving to maintain a trust but verify attitude is your absolute best bet. The more you understand global politics, especially current agendas of various nations, political groups, etc. can help to discern one bias or another. In general, giving yourself room and time to properly process any information you encounter, and especially destress yourself, makes a huge difference.