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...

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...

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...

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 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.

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. 

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...

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

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...