After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the stillness of space weather and igniting new forecasts of heightened activity.

If conditions are right, it could spark strong G3 geomagnetic storm levels on Earth. On Saturday, NOAA’s Space Weather ...

(NEXSTAR) — A week after strong geomagnetic storming gave half the U.S. a chance at seeing the northern lights, new solar activity could bring the aurora to nearly every state. Early Tuesday morning, ...

A week after strong geomagnetic storming gave half the U.S. a chance at seeing the northern lights, new solar activity could bring the aurora to nearly every state. Early Tuesday morning, NOAA’s Space ...

Ten years ago this week, the Huygens probe gave scientists a first look at the icy surface beneath the haze of Saturn's moon Titan. ESA/NASA/JPL/University of Arizona ...

An intense barrage of magnetized plasma released by the Sun is currently slamming into Earth’s magnetosphere, producing a powerful geomagnetic storm and possibly generating auroral displays in the ...

A trio of solar flares, similar to the one pictured from 2012, erupted from the sun this week, disrupting communications on Earth. File Photo courtesy of NASA Nov. 5 (UPI) --A moderate solar flare ...