On February 4, 2026, the Sun unleashed an intense X4.2 solar flare, sparking significant radio blackouts across parts of Africa and Europe. This powerful eruption was triggered by sunspot group AR4366 ...

In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio blackouts as scientists monitor Earth-directed CMEs ...

A volatile region on the Sun has just fired off a monster solar flare, followed by a blast of charged particles that space-weather scientists liken to a colossal “sun burp.” That outflow, a coronal ...

Add Yahoo as a preferred source to see more of our stories on Google. The sun emitted some of the most powerful solar flares this week, NASA announced. The star emitted three strong solar flares on ...

Close-up observations of the Sun explain how solar flares start, grow, and send high-energy particles racing through space.

Solar physicists say they have found a key source of intense gamma rays unleashed when Earth's nearest star produces its most violent eruptions. In findings published in Nature Astronomy, scientists ...

Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter spacecraft has discovered that a solar flare is triggered by initially weak ...