Explore cases
Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
Fort Collins · CO, USA
3-4 intensifying lights, under telescope; triangles with color-changing and cycling lights
Englewood · CO, USA
Invisible aircraft
Highlands Ranch · CO, USA
Large, silent, slow, triangular UFO with 6 bright white lights traveling approximately 4 stories off the ground near Denver...06:30
Arvada · CO, USA
silent v shape craft , no light's, moving west to east, circles on bottom from center and two down the "wings"
Erie · CO, USA
Bright light has been in the sky for 2 months, noticed it moved position, then it took off.
Greeley · CO, USA
Dark triangular form appeared, flew at a steady pace a few blocks over the treeline in Greeley, Colorado and then dissapeared.
Aurora · CO, USA
3 triangle craft, 2 red and one yellow/amber
Golden · CO, USA
Flashing metallic objects not exhibiting typical flight charactaristics of any known aircraft I or anyone else there has ever seen.
Colorado Springs · CO, USA
I was driving to work on November 06 2008. I stopped for Sonic to eat before work. I live very close to the back side of the locale air
Arvada · CO, USA
Bright, stationary lights, began to move slowly the accelerated and vanished
Pagosa Springs · CO, USA
Bright light hovering over city.
Greeley · CO, USA
A streak of light went across the sky and then it suddenly got bright and took off into the sky and disapeared.
Castle Rock · CO, USA
Small White Light Around Sundown
Colorado Springs · CO, USA
What apeared to be a white dot in a clear blue sky, was acually a sagnificant size unknown aircraft reflecting the sun
Denver · CO, USA
Two twinkling, moving UFOs seen above the western horizon in Denver, CO.
Calhan · CO, USA
REPORT FROM CHUCK ZUKOWSKI, INVESTIGATOR: Friday night around 7:30pm, I saw a large white circular light heading West to East in
Pueblo · CO, USA
Lights in the sky.
Pueblo · CO, USA
In the northwest sky, there were about seven lights moving slowly and flashing in and out if an extremely strange fashion.
Grand Junction · CO, USA
UFO's seen over a mesa
Fort Collins · CO, USA
Object sited near Fort Collins, CO
Wellington · CO, USA
Lime green glowing oval shaped bright light seen over Wellington, CO
Lakewood · CO, USA
Green light moving towards south at high speed.
Westminster · CO, USA
Star like light that flew off into space then became no longer visible
Grand Junction · CO, USA
unknow over Grand Junction co