“The date is Dec. 9, 1965: Residents see a ball of fire shooting through the darkening evening sky and then, seemingly, the object — purportedly shaped like a jumbo-sized acorn after impact — makes some sort of controlled crash into the woods. From there, the strangeness factor escalates with purported military personnel isolating the area from curious onlookers and toting something out of the locale on a flatbed truck,” reports Leonard David for Space.com and MSNBC.

In the chronicles of UFO oddness, there’s been a long-standing oddity — some say folklore, others deem it reality. This saga, now over four decades old, centers on a reported out-of-the-sky incident involving the small town of Kecksburg, Penn.

A meteorite? A wayward classified aircraft? Reentering space hardware of Earthly origin? An alien craft from afar?

Read the full report here.