Sunspot AR4114 erupted with M8 and M6-class solar flares. NASA's Solar Dynamics Observatory captured the fireworks in ...

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

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

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 ...

NASA captures image of powerful solar flare The flare detected recently was also classified as an X-1.2 magnitude, according to NOAA's Space Weather Prediction Center.

It was an X-class flare — the most intense kind, NASA said. Solar flares are essentially "giant explosions on the sun" that send energy, light and high-speed particles into space, according to NASA.

NASA captured stunning images of a mid-level solar flare on Sunday, August 24th. The flare was classified as an M5, 10 times less powerful than the most intense flares known as X-class, and ...

The flare on May 13 was classified as an X1.2 flare, while the following day's event was listed as an X2.7 flare — the number provides more information about the event's strength, according to NASA.