A new adaptive optics system reveals stunning, ultra-sharp views of the Sun’s corona—offering an unprecedented look at solar ...

Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

NASA’s Solar Dynamics Observatory captured an X2.8-class solar flare and a pair of m-flares that preceded it in multiple ...

How big it is: 865,000 miles (1.392 million kilometers) across ...

The images show ultra-fine bright and dark stripes (called striations) in the thin, gaseous layer of the sun's atmosphere ...

A breakthrough in solar imaging: the new Cona adaptive optics system enables high-resolution observations of the Sun’s corona ...

You can even spot thin, stripe-like patterns, called striations, on the Sun’s surface. This is the first time they've ever ...

The stripes, called striations, ripple across the walls of solar granules—convection cells in the Sun’s photosphere where hot ...

Some minor geomagnetic storms are possible because of a cooler, less dense spot on the sun’s surface, forecasters said.

New research led by a Southwest Research Institute scientist identified a new source of energetic particles near the Sun.

A team of solar physicists has released a new study shedding light on the fine-scale structure of the sun's surface. Using ...

Scientists have identified a new source of energetic particles near the Sun. These definitive observations were made by instruments aboard NASA's Parker Solar Probe, which detected the powerful ...