"Stranger Things" Season 5, Volume 2 finally reveals the origins of the Upside Down. Here’s how the wormhole works, what the ...

Fans finally got answered about the Upside Down in Stranger Things season 5. Here's more of what we know about this world.

Eleven accidentally created the Upside Down when she opened the gate in Stranger Things season 1. This happened during her ...

Stranger Things revealed the real origin of the Upside Down, and it flips a key element of the series on its head.

Stranger Things co-creator Matt Duffer clarifies Eleven's role in the Upside Down's creation after new revelations in season ...

Part of Theory's explanation to Heyman seems critical: "I've made some bad decisions: I got comfortable; I got injured. But ...

Stranger Things Season 5 Volume 2 has just been released, and while it revealed the reality of the Upside Down, it also ...