Although Meta has shifted to a “community notes” system, its earlier partnerships with third-party fact-checkers aimed to tackle science misinformation on Facebook and Instagram.

https://hsph.harvard.edu/news/metas-fact-checking-changes-raise-concerns-about-spread-of-science-misinformation/

https://msutoday.msu.edu/news/2025/ask-the-expert-what-meta-new-fact-checking-policies-mean-for-misinformation-and-hate-speech