UFO Sightings in Colorado
3,016 UFO sightings reported in Colorado since 1931, peaking in 2020 (226 reports); most often described as light.
- Total sightings
- 3,016
- Span
- 1931–2022
- Peak year
- 2020 (226 reports)
- Dominant shape
- Light
1931–2022 · peak 2020 (226 reports)
Top cities in Colorado
Denver
1954–2022 · peak 2014 (27 reports)
Colorado Springs
1956–2022 · peak 2014 (25 reports)
Fort Collins
1963–2021 · peak 2018 (14 reports)
Boulder
1969–2021 · peak 2013 (9 reports)
Aurora
1962–2021 · peak 2016 (10 reports)
Grand Junction
1989–2022 · peak 2020 (29 reports)
Longmont
1978–2021 · peak 2013 (10 reports)
Littleton
1965–2022 · peak 2002 (7 reports)
Pueblo
1995–2021 · peak 2020 (12 reports)
Lakewood
1969–2022 · peak 2014 (7 reports)
Loveland
1988–2022 · peak 2005 (6 reports)
Arvada
1959–2021 · peak 2016 (8 reports)
Westminster
1971–2021 · peak 2013 (5 reports)
Greeley
1998–2021 · peak 2016 (11 reports)
Thornton
1997–2021 · peak 2015 (5 reports)
Englewood
2001–2020 · peak 2004 (7 reports)
Estes Park
1954–2021 · peak 2019 (12 reports)
Highlands Ranch
1998–2022 · peak 2013 (4 reports)
Golden
1975–2020 · peak 2017 (4 reports)
Broomfield
1998–2020 · peak 2016 (5 reports)
Colorado Springs · CO, USA
Saw a white orb fly past the house, silently disappearing.
Durango · CO, USA
Two objects that brighten to 1st magnitude, and dim, to be no longer visible in southeast sky.
Denver · CO, USA
Dark chevron/boomerang object.
Denver · CO, USA
UFO over Denver with two pulsating lights.
San Diego · CO, USA
Orange light turned white then what seemed smoke came out of it. ((NUFORC Note: U. S. Navy missile launch. PD))
Lakewood · CO, USA
Boomerang stealth mode gliding object.
Pueblo · CO, USA
HUGE COMET LIKE OBJECT GOING VERTICAL AFTER GOING EAST TO WEST VERY FAST.
Littleton · CO, USA
Stealthy chevron with dim white lights
Centennial · CO, USA
Strange revolving 3 lighted - red blue green (blinking) object flying from south to north. Thought it was a plane at first with a weird
Crestone · CO, USA
I used to see you when I lived in Seattle. Last night my wife and I saw this amazing comet like.
Buena Vista · CO, USA
White light with green and red flashing light, stationary in sky. 20 degrees above horizon. SE sky. ((NUFORC Note: Sirius? PD))
Colorado Springs · CO, USA
Multiple UFO craft, abnormal turns and accelerations and appearing from nothing and then vanishing
Greeley · CO, USA
5-8 lights rotating around each other across sky, then disappeared.
Lone Tree · CO, USA
Green light falling from the sky, green impact!
Englewood · CO, USA
10/3/2015 9:30 pm bright red lights rectangle shape slow moving silent Englewood, Colorado.
Centennial · CO, USA
Spotted at lower altitude moving south to north over I-25 we initially saw a white strobe as we watched looking east from Dry Creek Rd.
Longmont · CO, USA
2 triangular flashing lights, one doesn't move at all and the other does
Aspen · CO, USA
Friend and I called the police, something neither of us do unless its important. ((NUFORC Note: Sighting of Venus. PD))
Colorado Springs · CO, USA
Craft over Colorado Springs, CO.
Broomfield · CO, USA
I went on a run through Commons Park. Just after sunset as I was leaving the park I noticed a small ball of light moving east from the
Wheat Ridge · CO, USA
I seen a v-shaped formation flying in the sky shaped like an arrow very dim white lights flying west to east.
Aurora · CO, USA
I'm watching this green and blue light flash its been raising altitude as a time passes the only light flashing in the sky how to your
Denver · CO, USA
Black triangle with five rust colored lights.
Westminster · CO, USA
It was Wednesday October 14th 2015 somewhere between 8:30-9:00pm. I never thought to check the time. But when I did it was approx 9:20,
Denver · CO, USA
a craft enlarged in the photo with possible windows or portals. the object was clear white with dark decks.