Did little green men from a red planet ever visit us? A lot of us believe they did and a lot of us don't. A lot of us believe they still do, but we aren't looking hard enough.

Apparently, ATC at Delhi's international airport are among them. On Friday, the Air Traffic Controller at Delhi airport reportedly sighted an Unidentified Flying Object and alerted the Indian Air Force.

Recently, an Air Vistara pilot too had reported seeing a laser beam out of nowhere as he was about to land.

The excitement comes just in time for another fascinating event - the scheduled date for an Unidentified Flying Object - more accurately Space Junk - to hit the Indian Ocean on November 13. Most likely an abandoned piece of space debris, the object - which has been given the name WTF1190F, was initially believed to be carrying alien life before more prosaic explanations came to be accepted.

But this isn't India's first brush with the concept of alien life. We've had at least 5 previous instances of UFO sightings that generated serious buzz: