Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time ...

The same region on the sun that’s responsible for this week’s stunning auroral display just erupted in another powerful solar flare early on Friday morning ...

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare. See at time-lapse of ...

A powerful geomagnetic storm created a series of brilliant auroras recently for observers across North America.

Astronomers have for the first time detected a coronal mass ejection from another star, shedding light on worlds orbiting red ...

Millions across the U.S. and Europe witnessed rare, colorful displays of the northern lights on Tuesday and Wednesday after ...

Dazzling images of the northern lights are lighting up social media after a powerful solar storm struck Earth, sending waves ...

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

Solar storms brought colorful auroras to Chicago-area skies Tuesday night and early Wednesday morning, and there could be more to come.

According to the NOAA Space Weather Prediction Center, the geomagnetic activity reached level G4, the second highest level, ...

Vivid auroras lit up skies across North America and Europe as a severe G4 geomagnetic storm, one of the strongest this solar ...