After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares ...

After more than three weeks without a powerful solar flare, the sun has suddenly ramped up its activity, firing off three ...

The Sun is just past its peak of activity for this solar cycle, but that does not mean it is done with its fireworks. A ...

The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow.

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time-lapses of the flares in multiple wavelengths. Credit Space.com | footage c ...

Wednesday's X2.7 flare also flung out a coronal mass ejection (CME), a massive explosion of charged solar plasma, which are often thrown from the sun's surface at the same time as a solar flare.

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.

A flare of M2 level was recorded on the Sun, which became the strongest in the last 1.5 months. This was announced on August ...

Solar flares are classified based on their strength and fall into five designated categories: A, B, C, M and X. An X-class solar flare is the most intense type of solar flare and can produce as ...