Extraterrestrial intelligence (English Wikipedia)

Yolles, Maurice (2022-12-13). "Consciousness, Sapience and Sentience—A Metacybernetic View". Systems. 10 (6): 254. doi:10.3390/systems10060254. ISSN 2079-8954.
Harrison, A. A. (2011). "Fear, pandemonium, equanimity and delight: Human responses to extra-terrestrial life". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 369 (1936): 656–668. Bibcode:2011RSPTA.369..656H. doi:10.1098/rsta.2010.0229. PMID 21220289. S2CID 39284787.

earthsky.org (Global: 6,724^th place; English: 5,463^rd place)

Byrd, Deborah (4 June 2022). "Has China's FAST telescope detected alien intelligence?". Earth & Sky. Retrieved 15 June 2022.

harvard.edu (Global: 18^th place; English: 17^th place)

articles.adsabs.harvard.edu

Kardashev, Nikolai. "On the Inevitability and the Possible Structures of Supercivilizations", The search for extraterrestrial life: Recent developments; Proceedings of the Symposium, Boston, MA, June 18–21, 1984 (A86-38126 17-88). Dordrecht, D. Reidel Publishing Co., 1985, p. 497–504.

ui.adsabs.harvard.edu

Harrison, A. A. (2011). "Fear, pandemonium, equanimity and delight: Human responses to extra-terrestrial life". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 369 (1936): 656–668. Bibcode:2011RSPTA.369..656H. doi:10.1098/rsta.2010.0229. PMID 21220289. S2CID 39284787.

heise.de (Global: 766^th place; English: 3,515^th place)

Zaun, Harald (1 November 2011). "Es war wie eine 180-Grad-Wende von diesem peinlichen Geheimnis!" [It was like a 180 degree turn from this embarrassing secret]. Telepolis (in German). Heise.

nasa.gov (Global: 75^th place; English: 83^rd place)

astrobiology.nasa.gov

Kaufman, Marc (12 October 2022). "Life, Here and Beyond". NASA Astrobiology. Retrieved 3 February 2023. No life beyond Earth has ever been found; there is no evidence that alien life has ever visited our planet. It's all a story.

newscientist.com (Global: 774^th place; English: 716^th place)

"The search for ET is a detective story without a body" by Nigel Henbest, New Scientist, March 9, 2013, p. 53.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Harrison, A. A. (2011). "Fear, pandemonium, equanimity and delight: Human responses to extra-terrestrial life". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 369 (1936): 656–668. Bibcode:2011RSPTA.369..656H. doi:10.1098/rsta.2010.0229. PMID 21220289. S2CID 39284787.

nwciowa.edu (Global: low place; English: low place)

beacon.nwciowa.edu

"Extraterrestrial Culture Day landed on Feb.14". Beacon NWCIowa.edu. 2023-02-12. Retrieved 2024-07-11.

nytimes.com (Global: 7^th place; English: 7^th place)

Overbye, Dennis (18 June 2022). "A Chinese Telescope Did Not Find an Alien Signal. The Search Continues. China's astronomers have been initiated into the search for extraterrestrial intelligence with the kind of false alarm that others in the field have experienced for decades". The New York Times. Retrieved 19 June 2022.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Harrison, A. A. (2011). "Fear, pandemonium, equanimity and delight: Human responses to extra-terrestrial life". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 369 (1936): 656–668. Bibcode:2011RSPTA.369..656H. doi:10.1098/rsta.2010.0229. PMID 21220289. S2CID 39284787.

skeptoid.com (Global: 5,748^th place; English: 3,460^th place)

"Was the Wow! Signal Alien?". Skeptoid. Retrieved 2019-02-06.

smh.com.au (Global: 132^nd place; English: 96^th place)

Spinks, Peter (May 21, 2013). "Are we alone?". SMH.com.au.

space.com (Global: 936^th place; English: 713^th place)

Keith Cooper (August 20, 2024). "Are we alone? Intelligent aliens may be rare, new study suggests". Space.com. Retrieved September 9, 2024.
Wall, Mike (14 November 2016). "Electronic E.T.: Intelligent Aliens Are Likely Machines". Space.com. Retrieved 2020-11-24.

theguardian.com (Global: 12^th place; English: 11^th place)

Hickman, Leo (25 April 2010). "Stephen Hawking takes a hard line on aliens". The Guardian. Retrieved 24 February 2012.

universetoday.com (Global: 3,691^st place; English: 3,233^rd place)

Atkinson, Nancy (5 November 2011). "No Alien Visits or UFO Coverups, White House Says". UniverseToday. Retrieved 2011-11-06.

washingtonpost.com (Global: 34^th place; English: 27^th place)

Krauthammer, Charles (December 29, 2011). "Are we alone in the universe?". The Washington Post. Retrieved January 6, 2015.

web.archive.org (Global: 1^st place; English: 1^st place)

Larson, Phil (5 November 2011). "Searching for ET, But No Evidence Yet". White House. Archived from the original on 24 November 2011. Retrieved 2011-11-06.
""Alien Artificial Intelligence is Out There" --And It's Billions of Years Old". The Daily Galaxy. 2019-01-01. Archived from the original on 2021-01-23. Retrieved 2020-11-24.
Kazan, Casey (1 August 2008). "The Impact of ET Contact: Europe's Scientists Discuss The Future of Humans in Space". Daily Galaxy. Archived from the original on 15 May 2013. Retrieved 21 April 2012.

whitehouse.gov (Global: 1,241^st place; English: 1,069^th place)

wwws.whitehouse.gov

Larson, Phil (5 November 2011). "Searching for ET, But No Evidence Yet". White House. Archived from the original on 24 November 2011. Retrieved 2011-11-06.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Yolles, Maurice (2022-12-13). "Consciousness, Sapience and Sentience—A Metacybernetic View". Systems. 10 (6): 254. doi:10.3390/systems10060254. ISSN 2079-8954.

Extraterrestrial intelligence (English Wikipedia)

archive.org (Global: 6th place; English: 6th place)

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earthsky.org (Global: 6,724th place; English: 5,463rd place)

harvard.edu (Global: 18th place; English: 17th place)

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ui.adsabs.harvard.edu

heise.de (Global: 766th place; English: 3,515th place)

nasa.gov (Global: 75th place; English: 83rd place)

astrobiology.nasa.gov

newscientist.com (Global: 774th place; English: 716th place)

nih.gov (Global: 4th place; English: 4th place)

pubmed.ncbi.nlm.nih.gov

nwciowa.edu (Global: low place; English: low place)

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nytimes.com (Global: 7th place; English: 7th place)

semanticscholar.org (Global: 11th place; English: 8th place)

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skeptoid.com (Global: 5,748th place; English: 3,460th place)

smh.com.au (Global: 132nd place; English: 96th place)

space.com (Global: 936th place; English: 713th place)

theguardian.com (Global: 12th place; English: 11th place)

universetoday.com (Global: 3,691st place; English: 3,233rd place)

washingtonpost.com (Global: 34th place; English: 27th place)

web.archive.org (Global: 1st place; English: 1st place)

whitehouse.gov (Global: 1,241st place; English: 1,069th place)

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worldcat.org (Global: 5th place; English: 5th place)

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archive.org (Global: 6^th place; English: 6^th place)

bbc.com (Global: 20^th place; English: 30^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

earthsky.org (Global: 6,724^th place; English: 5,463^rd place)

harvard.edu (Global: 18^th place; English: 17^th place)

heise.de (Global: 766^th place; English: 3,515^th place)

nasa.gov (Global: 75^th place; English: 83^rd place)

newscientist.com (Global: 774^th place; English: 716^th place)

nih.gov (Global: 4^th place; English: 4^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

skeptoid.com (Global: 5,748^th place; English: 3,460^th place)

smh.com.au (Global: 132^nd place; English: 96^th place)

space.com (Global: 936^th place; English: 713^th place)

theguardian.com (Global: 12^th place; English: 11^th place)

universetoday.com (Global: 3,691^st place; English: 3,233^rd place)

washingtonpost.com (Global: 34^th place; English: 27^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

whitehouse.gov (Global: 1,241^st place; English: 1,069^th place)

worldcat.org (Global: 5^th place; English: 5^th place)