The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

Solar flares are characterized by intense bursts of energy and radiation from the Sun’s surface. In a matter of just a few ...

Federal forecasters are warning that a powerful X-class solar flare could trigger strong radio blackouts and strain power ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

Largest solar radiation storm in more than 20 years could trigger auroras on Earth - A solar radiation storm this large has ...

An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

STUNNING Northern Lights could fill the night sky over the UK tonight after a powerful mass was splurted from the sun. A ...

Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small, weak magnetic disturbances rapidly multiplied, triggering stronger and ...

A rare solar storm, the strongest in over 20 years, disrupted signals and lit skies with vivid auroras worldwide, raising ...

Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop for three months as it unleashed powerful space weather. By combining views ...

A major flare-up affected an aircraft’s data and control; the solution was so easy that it almost makes no sense.