For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and ...

The Sun follows a 22-year magnetic cycle, with solar activity rising and peaking roughly every 11 years. But when conditions ...

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 ...

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

With the sun at the peak of its 11-year solar cycle, Iceland’s leading travel agency shares insights on the best time and ...

People in the U.S. were treated to stunning auroras last week when a powerful geomagnetic storm pushed the celestial displays as far south as Florida and Mexico. The spectacle was particularly ...

Researchers have resolved the 709 BC oldest solar eclipse mystery by reanalyzing ancient Chinese records and modern ...

The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

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

Because this record survived, we know more about ancient Chinese history, the rotation of the Earth, and past solar activity ...

Solar magnetic activity, manifesting as sunspots, flares, and coronal mass ejections (CMEs), is the fundamental driver of ...