Solar scientists are tracking a surge in activity on the sun that could unleash powerful storms toward Earth, with the potential to disrupt electricity, communications and navigation on a global scale ...

The spectacle was particularly enthralling for Lisa Upton, who caught the skies over Boulder, Colo., glowing eerily red. Upton, a heliophysicist at the Southwest Research Institute, is an expert in ...

Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class ...

Stealth CMEs are typically more common when the Sun is in the waning phase of its 11-year solar activity cycle.

Sun’s far-side active region AR4294 produced multiple M-class and C-class flares, triggering radio blackouts, affecting solar wind, and increasing geomagnetic activity with potential auroras in ...

NEW ORLEANS (WVUE) - An uptick in strong solar activity could create a severe solar storm, bringing the Northern Lights as far south as Alabama and northern California. The sun produced an X5.1 flare ...

Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more powerful than the previous one.

For the first time ever, astronomers have spotted a powerful coronal flare (cme) from a star other than the Sun.

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...