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New Pentagon UFO files detail FBI agents' sighting of silent triangular object with no visible engines

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Cite

Wehner, G. (2026, October 25). New Pentagon UFO files detail FBI agents' sighting of silent triangular object with no visible engines. Fox News. https://www.foxnews.com/us/pentagon-ufo-files-detail-fbi-agents-sighting-silent-triangular-object-no-visible-engines

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Fox News · collected 2026-10-25 · by Greg Wehner

Quick Summary

Department of War documents released in 2026 include a report from FBI agents who witnessed a silent, black triangular object with no visible engines or propulsion system. The agents observed the object hovering and then rapidly accelerating into a canyon near a mountain ridge. Another Pentagon report provides additional details, estimating the object's wingspan at 9 to 15 feet and noting its uniform heat signature through thermal equipment. Both reports describe an encounter lasting about ten seconds but differ in specifics like exact timing and duration of phases during the sighting.
Written by AI on 2026-10-25, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

As of October 25, 2026, newly released Pentagon UFO files detail an FBI agents' sighting of a silent triangular object with no visible engines. The report describes the black, non-reflective object hovering above a mountain ridge before accelerating into a canyon at fighter jet speeds without making any sound. Another Pentagon document from the All-domain Anomaly Resolution Office (AARO) provides a more detailed account, noting that the object had an estimated wingspan of 9 to 15 feet and no visible exhaust or conventional propulsion system. The sighting is part of several incidents included in the files, covering decades-old military encounters and reports involving mysterious creatures, unexplained lights, and supposed portals at a ranch in Utah.

Written for “Pentagon UFO Files Released” on 2026-11-04, grounded in this article and the 0 other(s) covering the same event.

Story

📰 Pentagon UFO Files Released
Technology · 1 article(s) covering the same event.

Compared with similar articles

This article reads unscored and hedges 6% of its claims. Each row says how that neighbour differs.
Times of India
Hedges 3 of 16 claims Outlet record 59/100
“The articles describe sightings by different groups (military observers vs. FBI agents) over potentially different locations and with slightly varying details, suggesting they are related but distinct events.”
The Guardian
Hedges 1 of 12 claims Outlet record 66/100
“The articles describe sightings by different groups (military observers vs. FBI agents) and do not specify they are about the same exact incident.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
31
sentences that state something as happening or true
Uncertain
6%
2 of 31 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
68/100
Fox News's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Technology
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-25 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

Fox News · 6507 article(s) · 12 correction(s) detected
Running correction rate · 12 correction(s)

Who wrote this

Greg Wehner
37 article(s) here · 1 carrying a prediction
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Also by Greg Wehner
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 37 articles by Greg Wehner →

Topics

AARO Air Force Department of War FBI Pentagon

Subjects

FBI ORG · 4× Air Force ORG · 3× AARO ORG · 2× Pentagon ORG · 2× Utah GPE · 2× All-domain Anomaly Resolution Office ORG · 1× Department of War ORG · 1× Fox News Digital ORG · 1× Strategic Air Command ORG · 1× U.S. GPE · 1×

Narrative

The 2026 sighting is among several incidents detailed in the newly released records examining unidentified anomalous phenomena (UAP), alongside decades-old military encounters and reports of mysterious creatures, unexplained lights and supposed portals at a Utah ranch.
framing: assertive · carried by 1 article(s) · first seen 2026-10-25
🔮 Air Force investigators noted that no other aircraft were expected in the area but acknowledged that the radar contact may have disappeared because of the bomber's change in direction.

Claims (31 extracted, 2 hedged)

FBI agents reported witnessing a mysterious black triangular object hovering silently above a mountain ridge before suddenly accelerating at speeds comparable to a fighter jet, newly released Department of War documents reveal. asserted
documents → report → War
The 2026 sighting is among several incidents detailed in the newly released records examining unidentified anomalous phenomena (UAP), alongside decades-old military encounters and reports of mysterious creatures, unexplained lights and supposed portals at a Utah ranch. asserted
sighting → detail → ranch
One report from the FBI describes an encounter with a dark, nonreflective triangular object resembling a drone, with an estimated wingspan of 9 to 15 feet and no visible exhaust or conventional propulsion system. asserted
report → describe → feet
The agents reported seeing the object rise vertically above a ridgeline before accelerating into a canyon without making a sound. asserted
object → report → sound
A separate report from the Pentagon's All-domain Anomaly Resolution Office (AARO), which investigates reports of unidentified anomalous phenomena, provides a more detailed account of the encounter. asserted
which → investigate → encounter
The report describes a matte-black triangular object that climbed about 200 to 300 feet above a ridgeline, hovered for roughly 20 seconds and then appeared to accelerate almost instantly, disappearing into a canyon within two to three seconds. asserted
that → describe → seconds
The witnesses described an object with no visible engines, rotors, exhaust or other conventional aircraft features. Read the report here: asserted
witnesses → describe → report
The agents also reported observing a uniform heat signature across the object's surface through handheld thermal equipment, without the concentrated hot spots typically associated with propulsion systems. asserted
agents → report → systems
The Pentagon report notes that the object's speed was estimated by witnesses rather than measured by instruments. asserted
speed → note → instruments
The two reports differ on the length of the encounter. asserted
reports → differ → encounter
The FBI described a sighting lasting approximately three seconds, while AARO detailed about 10 seconds of vertical ascent, 20 seconds of hovering and another two to three seconds of rapid flight before the object disappeared. asserted
object → describe → flight
Neither report identifies the object or establishes its origin. Fox News Digital asserted
report → identify → origin
has contacted AARO for comment on the sighting, including whether the object has since been identified and whether images released with the FBI report show the actual encounter or are illustrations. asserted
images → contact → encounter
The newly released records also include an Air Force intelligence report dated Jan. 19, 1957, detailing an unidentified radar contact involving a U.S. B-52 bomber during a Strategic Air Command mission near Saudi Arabia. asserted
records → release → Arabia
The bomber was flying at about 39,000 feet when its radar detected an unidentified target roughly 6,000 yards away on Jan. 18, 1957. asserted
radar → fly → Jan.
The contact remained on the aircraft's radar screen for five to seven minutes before disappearing as the bomber turned left. asserted
bomber → remain → minutes
Air Force investigators noted that no other aircraft were expected in the area but acknowledged that the radar contact may have disappeared because of the bomber's change in direction. uncertain
contact → note → direction
Other historical records describe reported sightings near California's Santa Catalina Island. asserted
records → describe → Island
In one case, three Boy Scouts attending summer camp reported seeing a silent, silver object moving faster than a conventional jet while hiking on the island June 25, 1952. asserted
object → attend → island
The scouts claimed the object made a climbing turn before appearing to disintegrate, an Air Force intelligence report states. asserted
report → claim → turn
Investigators noted that the scouts had no instruments to measure its speed or altitude and that their limited experience made it difficult to assess the reliability of their account. asserted
it → note → account
A separate March 15, 1955, report describes a witness near Avalon on Catalina Island who spotted a bright, round object that changed from orange to red before falling straight down. asserted
that → describe → red
The Air Force ultimately classified the sighting as a "probable meteor." asserted
Force → classify → meteor
The files also include a 60-page investigation conducted in 2010 by Bigelow Aerospace Advanced Space Studies (BAASS) at a Utah ranch associated with reports of unexplained phenomena. asserted
files → include → phenomena
Investigators interviewed residents who described towering dog-like creatures walking on two legs, mysterious balls of light and other unusual sightings. asserted
who → interview → light
Other witnesses reported smaller, hairy creatures, a prehistoric-looking bird and a worm allegedly measuring 8 feet long. uncertain
witnesses → report → creatures
One witness also described a transparent, rippling structure she believed was a portal to another world. asserted
she → describe → world
The investigation included eyewitness sketches, surveillance cameras, environmental monitoring and hair samples collected from areas associated with reported creature sightings. asserted
investigation → include → sightings
Laboratory testing, however, identified the hair samples as coming from ordinary animals, including domestic dogs and a raccoon. asserted
testing → identify → dogs
The report did not establish the existence of the alleged creatures or other extraordinary phenomena. asserted
report → establish → creatures
Fox News Digital reached out to the FBI for comment. asserted
Digital → reach → comment
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