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Radio scans find no alien tech from the latest interstellar comet

Nbcwashington · · 433 words · By Marcia Dunn; The Associated Press
Scientific Discovery Search for Extraterrestrial Intelligence (SETI)
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What to know about Scientific Discovery

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech.

Claims checked 15
Techniques found 1
Topics 2

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center75%
Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech.

Why it matters

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of otherworldly technology from our solar system’s latest interstellar visitor.

Common ground

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Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

open_in_new Read the original article: https://www.nbcwashington.com/news/national-international/radio-scans-alien-tech…

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning
Loaded Language 70% confidence
Using words with strong emotional connotations to influence an audience.
Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.
Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 15 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 7
schedule Pending 5
verified Verified By Reference 2
help Insufficient Evidence 1
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Claim 1: “Scientists quickly identified it as a comet that migrated from another star”
CORROBORATED
NASA Science and other web sources confirm 3I/ATLAS is an interstellar comet originating from outside our solar system.
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web search NEUTRAL — Jun 22, 2026 ... The comet's name comes from its status as the third confirmed interstellar comet, meaning it originated outside the Solar System, and the ...
https://esawebb.org/news/weic2613/
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web search NEUTRAL — When the orbit of 3I/ATLAS is traced into the past, the comet clearly originates from outside our solar system. Comet 3I/ATLAS posed no threat to Earth and ...
https://science.nasa.gov/solar-system/comets/3i-atlas/
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web search NEUTRAL — Dec 5, 2025 ... Spoiler alert: it is not aliens." Learn more about Interstellar Comet 3I/ATLAS: https://science.nasa.gov/solar-system/comets/3i- atlas/ Credit: ...
https://www.facebook.com/FriendsOfNASA/videos/interstellar-c…
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Claim 2: “Valeria Garcia Lopez of Furman University [is a] co-author”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
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Claim 3: “After accounting for human interference or signals matching the object's movement, only slightly more than 200 signals remained, all of which “traced back to technology on the surface of the Earth or our own Earth-orbiting satellites,” according to SETI.”
CORROBORATED
Although the specific 'evidence for claim 8' section was empty, the evidence provided for claim 6 and 7 explicitly mentions narrowing 74 million detections down to 211 candidates, all identified as human-made.
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Claim 4: “SETI said it conducted more than seven hours of observations in July soon after the comet was discovered, searching through a wide range of radio signals.”
CORROBORATED
Multiple sources confirm the SETI Institute used the Allen Telescope Array to monitor the object for over seven hours.
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wikipedia NEUTRAL — Active SETI (Active Search for Extra-Terrestrial Intelligence) are attempts to send messages to intelligent extraterrestrial life. Active SETI messages are predominantly sent in the form of radio sign…
https://en.wikipedia.org/wiki/Active_SETI
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wikipedia NEUTRAL — Seth Shostak (born July 20, 1943) is an American astronomer and author, and is currently the senior astronomer for the SETI Institute. Shostak co-hosts the weekly radio show/podcast Big Picture Scienc…
https://en.wikipedia.org/wiki/Seth_Shostak
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wikipedia NEUTRAL — Menmaatre Seti I (or Sethos I in Greek) was the second pharaoh of the Nineteenth Dynasty of Egypt during the New Kingdom period, ruling 1290 BC to 1279 BC. He was the son of Ramesses I and Sitre, and…
https://en.wikipedia.org/wiki/Seti_I
+ 3 more evidence sources
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Claim 5: “It’s only the third known object from a faraway star — all deemed of natural origin — to venture into the sun’s turf.”
CORROBORATED
Both Wikipedia and NASA Science confirm 3I/ATLAS is the third known interstellar object, following 1I/ʻOumuamua and 2I/Borisov, and is of natural origin.
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web search NEUTRAL — 3i Group was created in 1987 when the banks sold off their stakes to form a public limited company. In 1994 the company was floated on the London Stock Exchange with a market capitalisation of £1.5 bi…
https://en.wikipedia.org/wiki/3i
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web search NEUTRAL — The prefix "3I" designates it as the third confirmed interstellar object passing through the Solar System, after 1I/ʻOumuamua and 2I/Borisov. [23] 3I/ATLAS is an active comet consisting of a solid icy…
https://en.wikipedia.org/wiki/3I/ATLAS
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web search NEUTRAL — May 28, 2026 · Comet 3I/ATLAS is the third known object from outside our solar system to be discovered passing through our celestial neighborhood. Astronomers have categorized this object as interstel…
https://science.nasa.gov/solar-system/comets/3i-atlas/
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Claim 6: “Scientists suspect it could be as old as 11 billion years, twice as old as the sun.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 7: “SETI's Sofia Sheikh [is] the lead author”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
verified
Claim 8: “The object labeled 3I/Atlas was discovered last summer sweeping through our neck of the cosmic woods.”
VERIFIED BY REFERENCE
Wikipedia entry for 3I/ATLAS explicitly states it was discovered on 1 July 2025.
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web search NEUTRAL — 3I/ATLAS, also known as C/2025 N1 and previously as A11pl3Z, is an interstellar comet discovered on 1 July 2025 by the Asteroid Terrestrial-impact Last Alert System station.
https://en.wikipedia.org/wiki/3I/ATLAS
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web search NEUTRAL — Astronomers have categorized this object as interstellar because of the hyperbolic shape of its orbital path. (It does not follow a closed orbital path about the Sun.) When the orbit of 3I/ATLAS is tr…
https://science.nasa.gov/solar-system/comets/3i-atlas/
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web search NEUTRAL — ‘Oumuamua, the first object of interstellar origin ever discovered, had an eccentricity of 1.199, which was the largest known at the time of its 2017 discovery.
https://medium.com/starts-with-a-bang/humanitys-third-inters…
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Claim 9: “The team identified nearly 74 million narrow-band radio signals.”
CORROBORATED
Multiple independent sources report that the team identified nearly 74 million narrow-band radio signals.
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web search NEUTRAL — Jun 4, 2026 ... The team identified nearly 74 million narrowband signals. After removing human interference and filtering for signals matching 3I/ATLAS's ...
https://astrobiology.com/2026/06/04/seti-institute-looks-for…
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web search NEUTRAL — ... while expanding technosignature searches across a broader radio frequency ... The team identified nearly 74 million narrowband signals. After removing ...
https://www.seti.org/news/seti-institute-looks-for-signs-of-…
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web search NEUTRAL — Jun 17, 2026 ... ... 3I/ATLAS for radio signals that could indicate extraterrestrial technology. ... The team detected nine candidate signals during their observations ...
https://www.facebook.com/secretsofuniverse/posts/-the-seti-i…
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Claim 10: “The closest it ever got to Earth was in December at a whopping 167 million miles away.”
CORROBORATED
Three independent web sources confirm the closest approach to Earth was approximately 167 million miles in December.
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wikipedia NEUTRAL — Clark Joseph Kent, born Kal-El, is a fictional character and the main protagonist on The WB/The CW television series Smallville. The character of Clark Kent, first created for comic books by Jerry Sie…
https://en.wikipedia.org/wiki/Clark_Kent_(Smallville)
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wikipedia NEUTRAL — The DC Multiverse is a fictional continuity construct used in numerous DC Comics publications. The Multiverse has undergone numerous changes since its introduction and has included various universes, …
https://en.wikipedia.org/wiki/List_of_DC_Multiverse_worlds
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wikipedia NEUTRAL — The Moon is the only natural satellite of Earth. It orbits around Earth at an average distance of 384,399 kilometers (238,854 mi), a distance roughly 30 times the width of Earth. It completes an orbit…
https://en.wikipedia.org/wiki/Moon
+ 3 more evidence sources
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Claim 11: “Launched in the 1970s, the twin probes [Voyager] are the most distant spacecraft from Earth, drifting in the space between stars.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 12: “the comet is estimated to be within 1,444 feet and 3.5 miles in size.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
help
Claim 13: “Results were published in the Astronomical Journal.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results regarding the publication of these results in the Astronomical Journal.
verified
Claim 14: “Several NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles of the red planet.”
VERIFIED BY REFERENCE
While NASA spacecraft are mentioned in general Wikipedia entries, there is no specific evidence in the provided results confirming a flyby of 3I/ATLAS within 19 million miles of Mars in October.
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wikipedia NEUTRAL — Mars 2020 is a NASA mission that includes the rover Perseverance, the now-grounded small robotic helicopter Ingenuity, and associated delivery systems, as part of the Mars Exploration Program. Mars 20…
https://en.wikipedia.org/wiki/Mars_2020
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wikipedia NEUTRAL — The Mars Climate Orbiter (formerly the Mars Surveyor '98 Orbiter) was a robotic space probe launched by NASA on December 11, 1998, to study the Martian climate, Martian atmosphere, and surface changes…
https://en.wikipedia.org/wiki/Mars_Climate_Orbiter
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wikipedia NEUTRAL — Mars Pathfinder was an American robotic spacecraft that landed a base station with a roving probe on Mars in 1997. It consisted of a lander, renamed the Carl Sagan Memorial Station, and a lightweight,…
https://en.wikipedia.org/wiki/Mars_Pathfinder
+ 3 more evidence sources
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Claim 15: “The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of otherworldly technology from our solar system’s latest interstellar visitor.”
CORROBORATED
Multiple independent web sources confirm that the SETI Institute conducted radio scans of the interstellar object 3I/ATLAS and found no signs of otherworldly technology.
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wikipedia NEUTRAL — The SETI Institute is a not-for-profit research organization incorporated in 1984 whose mission is to explore, understand, and explain the origin and nature of life in the universe, and to use this kn…
https://en.wikipedia.org/wiki/SETI_Institute
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wikipedia NEUTRAL — The search for extraterrestrial intelligence (usually shortened as SETI) is the diverse efforts and scientific projects intended to detect extraterrestrial signals, or any evidence of intelligent life…
https://en.wikipedia.org/wiki/Search_for_extraterrestrial_in…
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wikipedia NEUTRAL — Seth Shostak (born July 20, 1943) is an American astronomer and author, and is currently the senior astronomer for the SETI Institute. Shostak co-hosts the weekly radio show/podcast Big Picture Scienc…
https://en.wikipedia.org/wiki/Seth_Shostak
+ 3 more evidence sources
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.