Explore cases
Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
Boulder · CO, USA
7 craft were seen high up in the sky, lighted up in the same place, then all of them disappeared, in sequence
Boulder · CO, USA
UFO sighted over North Boulder.
Boulder · CO, USA
The sky was lit but the sun was down. You could see the perfect outline of a triangle, no lights on , perhaps 50-75ft from the ground.
Boulder · CO, USA
Triangular craft spotted as it blotted out stars. Dim red/rust lights on each corner with diffuse blue/purple glow in middle. Silent.
Boulder · CO, USA
Triangular moved N to S a slow slow steady speed very dim lights that could be mistaken for stars at a distance ((anonymous report))
Boulder · CO, USA
V shaped flying wing with lights in the whole shape of the wing like apartment lights or living area lights
Boulder · CO, USA
Triangle, Slow, Blue, Long, Tubular shape objects stuck out of the back.
Boulder · CO, USA
It moved fast and not easy to see ..
Boulder · CO, USA
Boulder CO Triangle/Chevron Object.
Boulder · CO, USA
V-shaped craft flying southwest over Boulder CO
Boulder · CO, USA
A trangular craft with several, large, bright lights flew low and quick over the neighborhood
Boulder · CO, USA
Dim triangle of lights, high speed, low altitude but no noise over Boulder, CO 10/17/2009 10pm
Boulder · CO, USA
A large triangle craft, with about 20 red lights blinking once per second. The craft appeared to be very large, about twice the size of
Boulder · CO, USA
Object appeared for about 10 seconds triangle shape
Boulder · CO, USA
Three people see a illuminated V shaped object fly over them at night, fast, low, silent, making 2 passes.
Boulder · CO, USA
UFO craft shaped triangular burn (1" x 3/8") on left wrist
Boulder · CO, USA
Triangular "constellation" of star-like objects float silently across the sky at very high altitude.
Boulder · CO, USA
Saw 3 lights moving slowly over the foothills
Boulder · CO, USA
I observed a large triangular shaped object in 1983 in the same area and with identical characteristics described in a 2005 report.
Boulder · CO, USA
Saw six bronze color flying triangles, no lights on, flying between the stars in Boulder CO, 1979.