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
Stationary glowing orb began to move slowly.
Boulder · CO, USA
Green Orb leaving slime trail over Boulder, Colorado 2015.
Boulder · CO, USA
3 lights followed by 4 lights. triangular formation
Boulder · CO, USA
Shifting formation of 12+ dim brown lights.
Boulder · CO, USA
Orb that split into two orbs.
Boulder · CO, USA
Was looking at the sky to see a meteor shower. Saw a circle spot in the sky moving from north to south quickly. Seemed as the object wa
Boulder · CO, USA
Seven blue square lights seen moving in a chevron formation over Boulder, CO
Boulder · CO, USA
2 huge Sphere-like "tentacle stars" stationary in lower SE and East sky.
Boulder · CO, USA
Saw a bright, star-light like one finger's length away from noonday sun in Boulder, clear skies.
Boulder · CO, USA
Four bright symmetrical horizontal lights on a craft in sky near dusk, banked left, lights dimmed and then they vanished
Boulder · CO, USA
Loud Noise Along with UFO flashing lights aircraft.
Boulder · CO, USA
Three long white crescent shaped moving lights moving in a half circle.
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
September, Friday the 13 Left Hand Canyon hundreds of crafts and beings in the sky and on the ground
Boulder · CO, USA
Steady, long streak of green light emanating waves and modulations of light ,fading and brightening for over one hour under and thru t
Boulder · CO, USA
Erratically moving, reddish glowing sphere seen from West Boulder to the North East
Boulder · CO, USA
Triangle, Slow, Blue, Long, Tubular shape objects stuck out of the back.
Boulder · CO, USA
Slow-moving, silver craft seen over Boulder, CO
Boulder · CO, USA
Rotating disc with blinking colored lights seen flying along ridge in north Boulder, followed by quickly moving lights on the ground.
Boulder · CO, USA
Falling bright green orb, lasted only seconds. Close to foothills. ((NUFORC Note: Possible meteor? PD))
Boulder · CO, USA
Boulder, CO, Fireball
Boulder · CO, USA
It moved fast and not easy to see ..
Boulder · CO, USA
4 orange lights hovering above/near Rocky Flats former nuclear weapons plant.
Boulder · CO, USA
Triangle of 3 lights - 2 minutes visable