Horizon Signal

Horizon Signal is an anomaly involving a deep-space transmission of unknown origin. Investigating it opens a long-running event chain tied to an ancient-civilization backstory.

Horizon Signal is a common “gateway” anomaly during exploration — the initial investigation stage is relatively short, but completing it usually unlocks deeper story content further down the line, making it the entry point for many longer event chains.

Why it’s worth prioritizing

Since Horizon Signal typically serves as the starting point of a longer chain, investigating it early lets you reach later story beats sooner. Putting off the investigation doesn’t earn you anything — and might just mean missing the moment where it best lines up with your game’s progression.

Investigation tips

The initial stage isn’t usually difficult, so new players can try it without hesitation. Later-unlocked stages may demand more from your fleet or tech level — follow the in-game prompts and progress at your own pace rather than rushing it.