SETA2
Honest Questions.
Honest Answers.
No Conspiracies Required.
A small group of independent pioneers, framework builders, anomaly hunters, and empirical explorers dare to keep asking the honest questions mainstream science too often sidesteps for fear of professional backlash.
SETA2.org recognizes their relentless inquiry into whether non-human intelligence (NHI) has left traces of its existence—both in the form of extraterrestrial remnants in our solar system and through active searches beyond our solar system for signals or artifacts of advanced extraterrestrial civilizations.
Robert A. Freitas Jr.
The OG pioneer who coined “SETA” in his 1983/1985 papers with Francisco Valdes. Argued for searching near-Earth space for alien probes and artifacts instead of just listening for distant signals. Has kept pushing the idea through books, updates, and independent work for decades, staying outside the institutional spotlight.
Personal Website | Institute for Molecular Manufacturing | Google Scholar
James Benford
The modern torchbearer. Revived the “lurkers” concept in his 2019 “Looking for Lurkers” paper (co-orbitals as perfect hiding spots for Bracewell/von Neumann probes). Followed up with a 2021 “Drake Equation for Alien Artifacts,” estimates of probe arrivals from passing stars, and practical search sequences (AI scans of LRO Moon images, radar pings, robotic visits). Physicist and Microwave Sciences CEO, stays grinding outside big SETI organizations with interviews and proposals.
Personal Website | Google Scholar | Grokipedia
Sofia Sheikh (SETI Institute)
Active in bringing SETA into broader technosignature frameworks. Created the “nine axes of merit” guide to rigorously score artifact candidates. Has led actual searches for artificial signals on interstellar objects (e.g. no detections on 2025’s 3I/ATLAS comet, but solid systematic work). Bridges SETA and traditional SETI without hype.
Personal Website | SETI Institute profile | Google Scholar
James Davenport (University of Washington)
He has synthesized decades of SETA thinking into comprehensive screening strategies for interstellar objects (recent arXiv papers). Emphasizes practical, multi-wavelength verification checks. Keeps the work low-key but essential for turning ideas into real academic consolidation.
Personal website | UW Astronomy Department | DiRAC Institute | Google Scholar
Avi Loeb (Harvard / Galileo Project)
Leads systematic searches for extraterrestrial technological artifacts through the Galileo Project: observatories scanning Earth’s skies for anomalies, analysis of interstellar objects (‘Oumuamua, IM1 fragments, recent CNEOS meteors), and estimates of millions of meter-scale interstellar bodies as potential relics. Prioritizes empirical, visitable evidence over signals, scaling hardware and publishing despite skepticism.
Personal Website | Harvard | Galileo Project | Galileo Project X
Beatriz Villarroel (VASCO project)
Focuses on vanishing and appearing sources in historical sky surveys, which could indicate ancient alien probes or artifacts. SETA-adjacent work that’s persistent and innovative but not hugely spotlighted.
Personal Website | VASCO Project | SOL Foundation | X Profile
If you’re not a google scholar or academic scientist but appreciate a science-based approach to the search for extraterrestrial artifacts, then check out www.Exoarchaeologist.com