While Earth is shielded from most harmful solar radiation, powerful coronal mass ejections can disrupt satellites, GPS, radio ...

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Solar Orbiter captured the most detailed view of a solar flare, observing the build-up of events that lead to the explosion.

The ESA's Solar Orbiter has discovered that solar flares act like avalanches, growing from weak disturbances into powerful ...

A powerful X1.9 solar flare erupted on January 18, launching a fast coronal mass ejection toward Earth. Forecasters warn of ...

F or all of its life-sustaining energy, the sun is pretty chaotic. Roiling plasma covers its surface along with fluidic snarls of magnetic fields that birth solar flares. These fiery outbursts occur ...

Throughout history, many cultures around the world have wondered what causes them and have developed their own explanations ...

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

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

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

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

NASA explained that the flare was classified as an X1.9 flare. X-class flares are the most powerful type of solar flares. The number 1.9 shows how strong the flare was within this highest category.