Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter ...

F or all of its life-sustaining energy, the sun is pretty chaotic. Roiling plasma covers its surface along with fluidic ...

The sun released a powerful solar flare followed by a fast-moving coronal mass ejection on January 18, resulting in a ...

A NOAA forecast has Northern Lights visible in northern U.S. states overnight on Monday, Jan. 19 through Tuesday, Jan. 20, as ...

Solar flares have an enormous impact on the wider Solar System. These sudden releases of energy can cause geomagnetic storms ...

A massive X1.9 solar flare and coronal mass ejection lit up the northern skies with dazzling auroras captured by NASA.

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

The storm is also responsible for pushing the aurora farther south, giving some people across the southern U.S. a rare chance ...

By tracing solar flare gamma rays, scientists gain new insight into particle behavior that shapes space weather forecasts.

A solar radiation storm stronger than one we’ve seen in over two decades is in progress, the Space Weather Prediction Center ...

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

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