Is this why close encounters with intelligent aliens have so far eluded us? | Letters
Readers offer their explanations for the absence of hard evidence for extraterrestrial civilisations, in response to an article by Adam Kirsch When thinking about why we have not encountered intelligent aliens yet, as Adam Kirsch does (The long read, 11 August), it seems to me that one factor gets neglected: fossil fuels. Alien life could develop intelligence on myriad planets, but to develop advanced technology that
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- #2002
- First seen
- 23 Aug 2026, 17:38 UTC
- Last checked
- 24 Aug 2026, 17:25 UTC
- Version history
- 1 version
- Current fingerprint
adc5bebe3c36...097789
Publisher layer
Recorded article metadata
- Publisher
- The Guardian
- Country
- England / United Kingdom
- Source published
- 23 Aug 2026, 16:57 UTC
- Source updated
- No update timestamp supplied
- Byline
- Guardian Staff
- Section
- Alien life
Readers offer their explanations for the absence of hard evidence for extraterrestrial civilisations, in response to an article by Adam Kirsch When thinking about why we have not encountered intelligent aliens yet, as Adam Kirsch does (The long read, 11 August), it seems to me that one factor gets neglected: fossil fuels. Alien life could develop intelligence on myriad planets, but to develop advanced technology that
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1
Is this why close encounters with intelligent aliens have so far eluded us? | Letters
Readers offer their explanations for the absence of hard evidence for extraterrestrial civilisations, in response to an article by Adam Kirsch When thinking about why we have not encountered intelligent aliens yet, as Adam Kirsch does (The long read, 11 August), it seems to me that one factor gets neglected: fossil fuels. Alien life could develop intelligence on myriad planets, but to develop advanced technology that
Changed fieldstitlebylinedescriptionTextcontentTextsourcePublishedAtsourceUpdatedAtsectionimageUrltags- Version SHA-256
adc5bebe3c36...097789- Capture SHA-256
cd7051ea5c9e...76db91
Interpretation layer
Labels with declared origins
Publisher categories are copied from source metadata. Machine signals report observable wording or format and do not determine truth, intent, ethics, or wrongdoing.
- machine content-type Reported news observable-rules-v1 / 70% rule confidence
- publisher category Alien life rss-category
- publisher category Science rss-category
- publisher category Space rss-category
Public response layer
Reception snapshots
Comment counts and samples remain absent until a lawful, source-specific capture method is reviewed. Absence is recorded instead of estimated.
Evidence layer
Capture provenance
- Capture ID
- #1688
- Observed
- 23 Aug 2026, 17:38 UTC
- HTTP result
- 200 / parsed
- Raw payload
- 475,322 bytes, private gzip evidence
- Collector
- news-ledger/0.1
- Public boundary
- metadata and excerpt