Germany was second in the number of March for Science participants. Applying news value theory, this article analyzes the newsworthiness of the 2018 March for Science in Germany, comparing journalistic (online) reporting on the march (N=86) and Twitter communication about #marchforscience (N=591). The results of the content analyses reveal that news factors were more frequent and reached higher intensities in journalistic reporting than on Twitter. Relevance, prominence, personalization, and influence were the news factors most emphasized by journalists. On Twitter, reach was the only news factor correlating with social media engagement (likes, comments, and retweets).