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Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
El Jebel · CO, USA
Briefly observed black, silent, slow-moving object low enough to reflect ground lights from bottom, convex surface.
Loveland · CO, USA
Cigar Shaped Lighted Object
None · CO, USA
A square doorway (bay door?) opened in the night sky, two craft came out, disappeared over the horizon and the doorway closed.
Denver · CO, USA
Light observed above Jefferson County, Colorado moves from over-head stationary position to beyond the East horizon in seconds.
Grand Junction · CO, USA
F.A.A. gives false report of UFO over Western Colorado
Aurora · CO, USA
Triangle consisting of 3 red lights. Shot straight up, then stayed in same position for 30 seconds, then finally descended diagonally u
Fort Collins (north of) · CO, USA
Stationary brilliant variable white light masquerades as planet Mercury.
Boulder · CO, USA
Three Stars Begin to Move Randomly, Stop, Change Direction, Move Again, And Then Vanish
Loveland · CO, USA
Boomerang craft, silent, no lights, walking speed
Denver · CO, USA
Brillant bright lights from the sky
In flight (location unknown) · CO, USA
In March of 1988 my 16 year old son was traveling from St. Louis to San Francisco by airplane. He was using an old 110 instamatic came
Lyons · CO, USA
Large oval object with white glowing lights moves slowly above the car.
Lost Park (near Jefferson) · CO, USA
Bright red spheres with slow random movements in the same area of the sky reoccurring numerous evenings.
Gypsum · CO, USA
UFO near Gypsum and Eagle Colorado around 1987 - strange oval object hovers and speeds away
Westminster · CO, USA
It appeared to be the shape of upside down teardrop. ((NUFORC Note: Possible helium-filled scientific balloon?? PD))
Black Hawk · CO, USA
spheroid, leading edge shimmering red, main body whitish yellow, low altitude
Arvada · CO, USA
3 large blue spherical objects spotted in Arvada, Colorado in late 1986
Colorado Springs · CO, USA
Sphere light UFO seen near Pulpit Rock, CO.
Jefferson (near) · CO, USA
Red sphere low to the ground moving slowly and erratically.
Jefferson · CO, USA
saw a bright red sphere moving slowly from west to east on the north of our campsite.
La Veta · CO, USA
Well what happened was when I was about 5 I was coming back from a trip from my grandparents. I was looking out the windown and it was
Tarryall Reservoir · CO, USA
Friend saw and alerted me and my wife to an object that moved eratically in the sky.
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.
Fruita · CO, USA
Possible drone?