Search for Extraterrestrial Intelligence

Search for Extraterrestrial Intelligence

The search for extraterrestrial intelligence is an expression that refers to the diverse efforts and scientific projects intended to detect extraterrestrial signals, or any evidence of intelligent life beyond Earth. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Search for Extraterrestrial Intelligence, United States, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

66%


Total
Publications

3.9K


Total Open
Publications

2.6K


Total
Citations

193K


Open Access
Percentage

66%


Total
Publications

3.9K


Total Open
Publications

2.6K


Total
Citations

193K

Wikipedia

Website

download

Breakdown

18% 37% 9% 36%

Publisher Open

18%

Both

37%

Other Platform Open

9%

Closed

36%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

050100150200250300Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

69%OA Journal

OA Journal 69%

1.4K

Hybrid 10%

210

No Guarantees 21%

426

Other Platform Open

Preprint 70%

1.3K

Institution 51%

915

Domain 9%

159

Other Internet 6%

104

Public 1%

20

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
1.3K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
327
PubMed Central
Domain
160
Royal Netherlands Academy of Arts and Sciences
Institution
142
Office of Scientific and Technical Information
Institution
140
Massachusetts Institute of Technology
Institution
107
King's College London
Institution
101
California Institute of Technology
Institution
96
University of Liège
Institution
84
DOI
Other Internet
82
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Data updated 18 August 2025

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