Unknown UFO Sightings in Colorado
335 unknown-shaped UFO sightings reported in Colorado since 1964, peaking in 2020 (50 reports).
- Total sightings
- 335
- Span
- 1964–2022
- Peak year
- 2020 (50 reports)
- Dominant shape
- Unknown
1964–2022 · peak 2020 (50 reports)
Frederick · CO, USA
Large flash outside the house rattling the windows with a low hum.
Golden · CO, USA
3 lights triangular shaped, AAA fire, lights warping out, stealth-type fighter
Englewood · CO, USA
Extremely high altitude. One large mother ship. Three surrounding smaller ships. I was flying a kite at the local park. I saw a lar
Fruita · CO, USA
Craft of unknown description.…
Littleton · CO, USA
Red dot high in the sky moves very quickly and in a zigzag pattern.
Longmont · CO, USA
Observed a meteorite travelling from North to South at a very steep (45 degrees) angle. The meteorite exploded when it neared the earth
Colorado · CO, USA
they took me up in the sky in a "dream"
Mogote · CO, USA
When returing from hunting elk seen a green blob falling down leaving a green trail behind then it blew up and lit up the whole valley
Vail · CO, USA
Sky illuminated with colours in Vail, CO, Friday, Aug 17, 2001.
Pueblo · CO, USA
Fast moving object in middle of day
Denver · CO, USA
object behind clouds that looked like full moon but was not. moved to always be behind clouds for six minutes
Colorado Springs · CO, USA
9 unknown lights off interstate heading towards colorado springs. 6 unknown lights over the mountains with planes and watching
Colorado · CO, USA
I was on my way to work and as I approached my vechicle I looked up and noticed two lights on a cloud(partly cloudy that night). At fi
Denver · CO, USA
strange phenomenon after sighting
Broomfield · CO, USA
Sensation like sonic boom shook house, with no noise -just a pressure wave
Denver · CO, USA
Saw a very bright amber light eluminating out of a four pointed objected. about 10:30pm and around this date.
See Report... · CO, USA
This is to alert you to a radio broadcast in Denver at that time with witnesses calling in.
Dinosaur · CO, USA
SOMETIME BETWEEN 11:15-11:30 SUNDAY NIGHT I OBSERVED A HUGE OBJECT IN THE SOUTHERN SKY WHICH WAS BLUE AT FIRST & RAPIDLY TURNED TO ORAN
Durango · CO, USA
Hadn't started to get light yet, I was watching the stars, and one blinked on and off several times then started to move laterally very
Lamar ((LAA) · (NE of, FL310, 10 deg. above hor.), CO, USA
Two starlike objects traverse starfield (25 degree arc). One adjusts on other. Flash infront of lead object-disappears. 2nd object turn
Colorado Springs (NORAD) · CO, USA
I have seen several ufo's in the past 3 years. I was stationed in NORAD Mountain Complex and knew that the goverment had information a
Aurora · CO, USA
while driving to wal-mart notice a reflection of something silvery high in the sky was to high up to notice shape or size but notice it
Aurora · CO, USA
7/00/98 aprox aurora co looked like star 4-5 seconds object moved slowly westward 4/7/03
Aurora · CO, USA
Object seen shooting across the sky at a very high rate of speed and the stopped and started blinking a white light. Object was moving
Lyons · CO, USA
strange humming noise over house late at night