A study published in The Astrophysical Journal Letters reveals new insights into the triggering mechanisms of solar ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South America ...

A recent study published in The Astrophysical Journal Letters reveals new insights into the triggering mechanisms of solar ...

A geomagnetic storm unleashed by the sun on Sunday could create colorful auroral displays over parts of the United States ...

Solar flares are classified on a scale of A, B, C, M, and X. Each class is 10 times more powerful than the last, with X-class flares being the most powerful and least frequent. Related ...

NOAA forecast a Kp index of four on a scale of nine, suggesting the aurora ... radio communications and radio contact after an X1.1 solar flare—classified as the most intense—emitted from ...

A pair of solar flares are expected to reach Earth on Tuesday, April 15, as geomagnetic storm could bring aurora to several northern states.

A twisting, whirling streamer of plasma escaping the sun in the aftermath of a coronal mass ejection (CME) has been captured on video by the European Space Agency's Solar Orbiter, and could provide ...

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The strong solar storm, initially classified as a level 3 on a scale from 1 to 5 ... researchers have observed increasingly intense solar flares and coronal mass ejections erupting from the ...