Por un escritor de hombre misterioso
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.
Mysterious blue 'aurora' over Lapland surprises skywatchers
The strange case of eyeball planets
NASA says mysterious dancing blue lights spotted over Arctic were caused by vapor tests, NOT aliens
Is the Government Concealing UFO Craft and Dead Extraterrestrials?, BU Today
New study sheds light on a new type of aurora called a space hurricane - The Washington Post
10 bizarre phenomena that lit up the sky (and their scientific explanations)
Bright blue UFO seen crashing into ocean near Hawaii prompts calls to 911, FAA - ABC7 San Francisco
Are there active geysers at Enceladus' north pole?, Space
Are UFO Sightings Real?, ExtremeTech Explains
Strange Blue Lights' Seen Over Arctic Circle Were Not Aliens, Says NASA
Strange, glowing spiral in the sky over Alaska baffles locals
What are the mystery lights NASA's telescope just picked up around this 'failed star'?
More strange lights seen streaking across New Jersey's night sky
The Truth About the 'Black Knight' Satellite Conspiracy Theory
Mysterious blue swirl lights up the night sky over Alaska - but what caused the strange sight?