Is 'Edens Zero' Connected to 'Fairy Tail'?

Fans have been trying to figure out for years if the mangas 'Fairy Tail' and 'Eden's Zero' are connected. Turns out, it's a pretty complicated relationship.

Edens Zero+Fairy Tail+Rave Master counterparts : r/EdensZero

Is 'Edens Zero' Connected to 'Fairy Tail?

List of Edens Zero characters - Wikipedia

Is 'Edens Zero' Connected to 'Fairy Tail?

So Edens Zero is Fairy Tail in Space, you say? : r/EdensZero

EDENS ZERO 4 (Paperback)

EDENS ZERO 19 by Hiro Mashima - Penguin Books Australia

Fairy Tail Creator Hiro Mashima to Launch New Manga Series – Otaku

Edens Zero Vol. 7 (Manga) - Entertainment Hobby Shop Jungle