ESA is a user on apoil.org. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
RT @DLR_en: Don’t miss today’s #Spacex-15 launch 🚀 🚀 at 11:42 CEST! We'll be reporting live from @NASAKennedy Space Center - as experimen… source: https://twitter.com/esa/status/1012603652069101568