Scientists Warn of Potential 'Superflare' from the Sun During Solar Cycle 25
Scientists Warn of Potential 'Superflare' from the Sun During Solar Cycle 25
US · Published May 24, 2026
Researchers analyzing nearly 50 years of solar activity data have identified an increased likelihood of extremely powerful solar eruptions, termed 'superflares.' These events, classified as 'S-class' solar flares, exceed X10 intensity on the standard scale and pose risks to satellites, power grids, communication systems, and astronauts. The study, published in the *Journal of Geophysical Research: Space Physics*, highlights that the sun may be overdue for such a flare during the current Solar Cycle
Scientists have developed a probabilistic forecasting system to identify periods and regions on the sun where these extreme flares are more likely to occur. Notably, the largest solar flare recorded in 2026 so far was an X8.3-class flare on February
The research also detected several massive flares on the far side of the sun in May 2024, including X11.1 and X16.5-class eruptions, which fortunately did not impact Earth.

Why It's Important?

Superflares are among the most hazardous forms of space weather, capable of causing widespread disruptions. A direct hit from such an eruption could damage satellites, interfere with GPS systems, disrupt radio communications, and potentially lead to large-scale electrical outages. The heightened solar activity also poses risks to human spaceflight missions, including NASA's Artemis program. While the recent Artemis II mission around the moon avoided solar impacts, future missions, such as Artemis III and IV, may need to account for increased solar activity in their planning. Additionally, geomagnetic storms triggered by superflares can produce auroras visible far from polar regions, but they also carry risks for infrastructure and technology.

Related News