A recent X1.4 solar flare raises questions about Artemis II launch timing, communication risks, and potential impacts from ...

A powerful solar flare recently disrupted communications across large parts of Earth demonstrating how vulnerable modern ...

A strong solar flare peaked just after 9 a.m. Tuesday, but what does that mean? Can it be seen from Earth?Tuesday's solar flare was not the first this year or even this month. Here is more information ...

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Citizen scientists reviewing NASA data discovered unusually high Solar flare rates, helping researchers better understand the Sun’s magnetic activity and improve space-weather predictions.

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, raising the possibility of increased geomagnetic storm activity. Nasa’s Solar Dynamic ...

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 ...

NASA outlines how Artemis II astronauts are monitored for solar particle events during their lunar mission, including spacecraft shielding, real-time tracking, and onboard radiation detection systems.

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 ...

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The sun emitted some of the most powerful solar flares this week, NASA announced. The star emitted three strong solar flares on Sunday, Feb. 1, peaking at 7:33 a.m. ET, 6:37 p.m. ET and 7:36 p.m. ET, ...