The authors of these paper, published on the Annals of the International Communication Association, conducted a literature review of the studies about media coverage of and media effects related to immigration in Europe
Darren L. Linvill and Patrick L. Warren (Clemson University) published a working paper about the methods used by the Internet Research Agency, a Russia-sponsored troll group
How populist messages by media actors, political actors, and readers are distributed via online news articles, and reader comments during election campaigns in the United Kingdom, Switzerland, and France
What is the same and what is different in how conspiracy and scientific news spread online? According to this article, published on PNAS and written by 8 authors based in Italy and the US, for both homogeneity is the primary driver for diffusion, but the cascade dynamics is different.