This week, NASA’s Solar Dynamics Observatory observed a strong solar flare on February 4 — just weeks after severe solar flares triggered the largest geomagnetic storm we’ve seen in two decades. The ...

An X1.0 solar flare erupted from Active Region 4455 on June 3, 2026, according to NASA, producing the kind of intense burst that can disrupt radio communications, GPS signals, and power infrastructure ...

One, unleashed last week, was the solar equivalent of Hurricane Irma — a monster X9.3 storm. Even though it only struck Earth a glancing blow, this was enough to disrupt some radio communications.

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star. Solar flares are powerful bursts of energy that can, along with other types ...

The sun just flexed its power, and the Earth felt the shockwave immediately. In the largest solar eruption of 2025, a massive burst of energy classified as an X5.1-class flare tore from the sun, ...

The Sun has produced another powerful X-class solar flare, underscoring the heightened activity of Solar Cycle 25 and reminding scientists that our star is entering one of its most energetic phases in ...

A solar flare eruption showing magnetic reconnection on the Sun’s surface, releasing intense energy as electromagnetic radiation and driving coronal mass ejections, key drivers of space weather. A ...

Cryptocurrency investors face an unusual danger lurking 93 million miles away. Solar flares, massive bursts of energy from the sun’s surface, can interfere with the digital infrastructure that keeps ...

Four major X-class solar flares erupted in early February, indicating increased activity. Experts warn flares may disrupt Earth's tech and communication systems. NASA, ESA and NOAA issued alerts and ...