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

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare. See at time-lapse of ...

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

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

After weeks of relative quiet, the Sun has erupted with a series of powerful solar flares, signaling a return to more active ...

The sun just let out a powerful solar flare — the most powerful since 2017, and among the most powerful recorded to date. It even affected communications on Earth, due to the effects of space ...

Three top-tier X-class solar flares launched off the sun between Wednesday and Thursday. The first two occurred seven hours apart, coming in at X1.9 and X1.6 magnitude respectively.

NASA's Solar Dynamics Observatory captured this image of an X2.0-class solar flare bursting off the lower right side of the sun on Oct. 27, 2014. The image shows a blend of extreme ultraviolet ...

The sun is bursting with activity at a level that hasn't been seen in nearly a decade. In less than 24 hours, the sun fired off three X-class solar flares, the highest magnitude on the scale used ...

The sun erupted with two of the strongest solar flares it can unleash Friday, just days after blasting an intense solar storm at Earth. The sun fired off a flare that registered at X1.7 on the ...