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Do we share our world with creatures unknown to science?
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Aerial Phenomena
Introduction

Ancient artwork would suggest that man has been aware of UFOs for thousands of years.

More recently, both pilots and passengers of more conventional aircraft have claimed to have seen strange objects in the skies around them. Sometimes mysterious lights hover elusively in the distance. Other reports would have us believe that the aliens have indeed landed on Earth.

Discover why aerial phenomena have fascinated so many for so long.

Photos: Getty