Explore cases
Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
Fort Collins (near) · CO, USA
Slow moving ellipse lit from beneath by the early-morning sun.
Pueblo · CO, USA
By Pueblo Blvd. and Highway 50 red light 80 ft. high gives off steam trail as it descends to 50 ft., then disappears.
Denver · CO, USA
I saw two silver dots in the western sky as the sun was setting both were locked into a single position in the sky and then they were g
Carbondale · CO, USA
Giant drill shaped craft crashed, viewed from Highway
Colorado Springs/Fountain · CO, USA
Witnessed multiple low flying triangular crafts with bright lights outlining its shape. Seen near military base.
Fort Collins · CO, USA
Flashing amber lights in Northen Colorado
Wheat RIdge · CO, USA
Ten to twelve crafts spotted in Wheat Ridge CO at dusk February 12, 2008
Fort Collins · CO, USA
Bright light seen over Northern Colorado foothills
Longmont · CO, USA
((HOAX??)) LONGMONT, COLORADO-MASSIVE TRIANGLE FOR ATY LEAST 1 HOUR
Montrose · CO, USA
Loud humming dark craft passed overhead against a bright cloudy night.
Craig · CO, USA
it was a light that changed colors and hovered in the sky for quite sometime ((NUFORC Note: Possibly Sirius. PD))
Platteville · CO, USA
3 sets of 2 long lights in chevron shape
Florissant · CO, USA
Not an Aircraft, very large, leading edge firy bright , irregular shape, duration of observation -three minutes.
Limon · CO, USA
After noticing a bright light in the sky, I watched it for a while until it vanished.
Canon City · CO, USA
lingering orange lights spotted in sky over Canon City, CO near Prison Facilities
Grand Junction · CO, USA
Lights over Grand Junction Colorado
Denver · CO, USA
White object, ufo, changing shape, moving North of Denver
Boulder · CO, USA
I saw a UFO
Denver · CO, USA
Distant white spheres seen by crowd on college campus
Denver · CO, USA
Crescent shaped object with red, green, and white lights to the east of Denver.
Cortez · CO, USA
bright flas and gone.
Boulder · CO, USA
"W" shaped UFO sighting in Colorado. 500 Lights On Object0: Yes
Burlington · CO, USA
An ear-splitting almost explosion-type burst that left the whole horizon a luminous semi-circle of purple
Colorado City · CO, USA
Bright halogen colored light.