As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

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

Scientists said the sun erupted Tuesday morning, unleashing a strong X5.1-class flare in an intense outburst, causing ...

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

The northern lights could be visible from a much larger portion of the northern United States than usual on Tuesday night and ...

The United States weather agency has issued a G4 geomagnetic storm watch alert, implying severe storms expected.

At about 0200 UTC (that’s 1pm AEDT) on November 12, the US National Oceanic and Atmospheric Administration and Australian ...

The British Geological Society is warning that the Earth is about to get hit by the most powerful solar storm in over two ...

The strongest solar storm in over 20 years continues, and a major boost on Wednesday afternoon could elevate this aurora ...