An explosion of particles arrived at Earth on Thursday, and could lead to visible northern lights in much of the country ...

A powerful solar outburst hit Earth Thursday, triggering a "severe" geomagnetic storm. Auroras could be visible as far south ...

A solar storm hit Earth on Thursday and brought beautiful displays of the northern lights to dark skies farther south than ...

A severe solar storm is headed to Earth that could stress power grids even more as the U.S. deals with major back-to-back ...

Aurorae may be visible tonight as far south as Alabama, and high-frequency radio impacts have already been reported.

A severe solar storm sparked by an intense flare from the sun could reach "extreme" levels as it bombards Earth, NOAA ...

NOAA's Space Weather Prediction Center in Boulder has issued a rare warning that power grids, satellite companies and ...

Solar flares are flashes of ultraviolet and X-ray radiation released from active areas of the sun's surface, usually sunspots. They are classed by power on a scale of A, B, C, M, and X-class, where X ...

Expect to see more northern lights in unusual places as the sun continues to sizzle, space weather forecasters said Tuesday.

Solar Cycle 25 remains in its maximum phase, and more powerful sun storms are likely to come over the next few months, ...

This week across much of the world, including the UK, the majestic aurora borealis (Northern Lights) was once again visible ...

A solar storm is a disturbance on the Sun's surface that releases a burst of energy and particles. This travels outward sometimes impacting Earth's magnetosphere and causing "geomagnetic storms." ...