Solved, thanks @Blaze!

In the "search" tab (4th one) there is an "Explore" button :)

Hi everyone,

I am completely new to lemm.ee and the whole universe around it (reddit refugee 😉) and I'm struggling to find new communities. When I'm logged in, the Posts tab in the bottom left (using the Voyager app) only shows "Home", "All" and "Local", but nothing else. When I'm not logged in, I see a huge list of communities, like asklemmy@lemmy.world etc. Could someone explain to me what's happening and how I could include these communities in my feed? Thanks!