Spotless sun sparks G1-class geomagnetic storm creating vivid auroras around the world

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The sun has been without spots every day for almost two weeks. No sunspots? No problem: A G1-class geomagnetic storm erupted last night, sparking bright auroras around the Arctic...

Evidence of extraterrestrial activity? Massive blue glow over NYC skyline sparks alien invasion theories

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A transformer explosion lit up the night sky in New York City on Thursday, turning the skyline bright blue for a moment and frightening residents in the...

Christmas lights are electric blue over Antarctica

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This is the season for southern noctilucent clouds. Every year around this time, summertime water vapor billows up into the high atmosphere over Antarctica, providing moisture needed...

Full Moon, eerie moon halos and Ursid meteor shower: Great cocktail of space weather events on December 22, 2018

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Yesterday, was winter solstice, the shortest day of 2018. Today is a full moon known as the Cold Moon. There's a northern autumnal chill in the air too....

The year’s brightest comet will come within 7 million miles of Earth – a proximity that won’t happen again for 20 years – and will be visible to the...

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The night sky will come alive this weekend when a green comet streaks by Earth on the heels of the Geminid meteor shower's display of green fireballs.

Fireball that exploded over the US Thule Air Base in Greenland shook Earth, triggering seismic sensors

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When a blazing fireball from space exploded over Earth on July 25, scientists captured the first-ever seismic recordings of a meteor impact on ice in Greenland. 

Back-to-back fireballs bolted through Washington’s sky Monday evening

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Two bright fireballs lit up the skies Monday evening, widely visible from D.C. to New York. Out of this world! Two bright fireballs illuminate...

Some extraordinary light pillars cast colorful columns in the sky over Wisconsin

Looks as if Mother Nature is in the holiday spirit! The atmosphere decided to put up lights of its own Sunday evening in Beloit, Wisconsin, where colorful...

Huge meteor disintegrates over Xochimilco, Mexico (videos)

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Huge fireball disintegrates over Mexico City on December 8, 2018. Picture: Youtube That must have been a powerful experience! Watch this meteor illuminating...

Mysterious green light appears in sky during thunderstorm in Australia, baffling scientists

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A strange green light flashing across the sky has baffled local residents and led one expert to say he had seen nothing like it before. The video was shot in...