Unstable Wormholes are wormholes created to bring aliens into sectors.
Unstable Wormholes appear and disappear again during some feature events and in Alien Repeating Events. These wormholes spawn various Alien Fleets that are often aggressive towards rebels in the space between solar systems.
They made their first appearance in Incursion, where they spawn Unknown Signal Fleets that swiftly decimated whoever they encountered.
- Although Unstable Wormholes lead to different galaxies as per the in-game description, they cannot be traveled through.