What happened

Avi Loeb’s Medium piece defines SETAI, arguing that post-biological AI civilizations could redefine how we search for extraterrestrial intelligence and suggesting a shift away from traditional radio signals toward studying unidentified phenomena and alternative footprints.

Why it matters

The proposal reframes how we search for intelligent life but emphasizes that the idea rests on speculative evidence and methodological limits; real-world signals and observations remain incomplete.

The article surveys a possible new frontier: SETAI, the search for extraterrestrial artificial intelligence. It notes that if civilisations become post-biological, signals, motivations, and substrates could differ dramatically from human expectations, potentially altering how we identify evidence of distant intelligence.

It argues for focusing on non-traditional footprints, such as UAP-related observations and novel communication forms, rather than classic radio signals, while acknowledging that the timelines and practical detectability of post-biological civilizations are uncertain and highly speculative.

What this does not tell us

The piece presents speculative scenarios about post-biological civilizations and SETAI methods, with limited verifiable evidence; it cautions against assuming broad applicability of niche findings to all civilizations or outcomes.

FOR PEOPLE

No direction stated

AI may change how we search for intelligent life, but the evidence is still evolving.

FOR AI AND ITS OPERATORS

No direction stated

not enough evidence

These are two separate readings of what the sources describe. Reported claims and risks do not by themselves establish a real-world effect.

Original sources · 1
  1. Defining a New Research Frontier on the "Search for Extraterrestrial Artificial Intelligence" (SETAI) ↗Medium · 2026-09-13

Reporting discovered in Canada · United Kingdom · United States. Discovery market does not mean the event happened there.