Screen Rant

The Borg are a species of cyborgs intent on assimilating all life in Star Trek: TNG. 1 / 7

They took over Captain Picard and attacked Starfleet. 2 / 7

And finally succeeded in taking over Earth using Time Travel in First Contact. 3 / 7

Ultimately, they are foiled by Picard's Enterprise crew. 4 / 7

The Borg nearly reach Earth again by following the Voyager home. 5 / 7

And have appeared in a host of wider media such as books and video games. 6 / 7

They were also mistaken for Control in Star Trek: Discovery. 7 / 7