Strange Blue Lights' Seen Over Arctic Circle Were Not Aliens, Says

Mysterious blue lights observed over Lapland at the weekend were revealed to be the result of a science experiment to study the solar wind, according to NASA.

U.F.O.s: Unidentified Objects Were Not Sending Communications but Posed 'Very Real' Threat to Aircraft - The New York Times

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Scientists Have Proved What Causes The Northern Lights : NPR

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Questions remain about unidentified object shot down over Alaska - ABC7 Chicago

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Flying saucer - Wikipedia

Strange Blue Lights' Seen Over Arctic Circle Were Not Aliens, Says NASA

Bright blue UFO seen crashing into ocean near Hawaii prompts calls to 911, FAA - ABC7 San Francisco