A witness in Colorado Springs, Colorado reported what they described as a large sphere accompanied by three smaller objects moving around it, during a three-to-five-minute sighting in September 1968.

Rectangle1968-07-15

Fort Collins · CO, USA

A witness recalled, as a 12-year-old in Fort Collins, Colorado, being followed by a black cube-shaped object near an orchard in July 1968, during an encounter that lasted about ten minutes.

Sphere1968-05-25

Delta · CO, USA

Slow moving large red spherical object moving in a upward direction over the town. The object then split into two seperate objects and

Sphere1968-03-12

Alamosa · CO, USA

I exited my mobile home east of Alamosa at 11:00AM I was carrying a camera because I was teaching Photo Journalism at the local colleg

Fireball1967-09-03

Crestone (near Alamosa) · CO, USA

Saw 3 house size balls of fire come straight down, turn to fly horizontal straight at us for 40 miles in 3-4 seconds then pass out of s

Light1967-08-08

Alamosa · CO, USA

Witnesses in Alamosa, Colorado, reported a light object that disappeared following a flash of blinding light, during a 20-minute sighting in August 1967.

Triangle1967-07-01

Colorado Springs · CO, USA

Triangular object in 1967

Cone1966-05-12

Salida · CO, USA

Super bright object in NW sky.

Disk1965-06-24

Littleton · CO, USA

Three saucers over Daniels Park, Colorado, in the summer of 1965, witnessed by two people, & told not to ever report this.

Light1964-06-10

Montrose · CO, USA

A father and son driving to work near Montrose, Colorado reported an intense blue light filling the valley, in a sighting lasting five to seven minutes in June 1964.

Unknown1964-05-05

Rangely · CO, USA

Introduction

Disk1963-06-01

Colorado Springs (mtns. NW of) · CO, USA

A witness northwest of Colorado Springs, Colorado described a disk-shaped object that hovered and made sharp right-angle turns before accelerating away when approached by an aircraft, June 1963.

Cigar1963-06-10

Fort Collins · CO, USA

A deputy sheriff near Fort Collins, Colorado reported a bright, cigar-shaped object that followed his patrol boat for about seven miles, in a sighting lasting about 10 minutes in June 1963.

Disk1962-08-15

Denver (east of) · CO, USA

Witnesses east of Denver, Colorado reported a disk-shaped object hovering over a high-line tower in August 1962, said to have been followed by Air Force helicopters for 20 minutes.

Light1962-06-01

Aurora · CO, USA

In 1962, a witness in Aurora, Colorado, reported a light that appeared to move from one star to another in the night sky, within about five seconds.

Circle1959-06-05

Arvada · CO, USA

In 1959, a witness in Arvada, Colorado, reported a small, round object at high altitude near the Rocky Flats site, visible in the sky for about an hour.

Fireball1957-10-15

Commerce City (N. of Denver) · CO, USA

A lot of methane gas in area

Light1957-07-15

Denver · CO, USA

A supposed star, at a time before there were humanly created objects in orbit, which behaved very differently from the other stars.

Oval1957-06-30

Unknown · CO, USA

In 1957 a strange oval spotted in Kansas that hovered, flew straight up, made 90 degree turn and accelerated at great speed vanished.

Disk1956-08-15

Colorado Springs · CO, USA

Mid-Aug 1956--One very large & close saucer/disc and 3 smaller discs off in the distance sighted by many people in Colorado Springs.

Cigar1956-06-15

Dove Creek · CO, USA

A witness near Dove Creek, Colorado reported a cigar-shaped object releasing smaller objects that performed unusual aerial maneuvers, over about 20 minutes in June 1956.

Oval1955-08-15

Woodland Park · CO, USA

Orange disk in night sky