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

An M3-class solar flare that lasted about 3 hours created a massive coronal mass ejection. The Solar Dynamics Observatory ...

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

SDO has roughly two 'eclipse seasons' per year, and is currently in its 31st since the mission launched. It begain on July 10 ...

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.

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 says they captured a massive solar flare erupting from the sun. In a blog post, the space agency said the solar flare occurred Wednesday, peaking at 1:35 p.m. EST.

On July 18, NASA successfully launched a sounding rocket mission from the White Sands Missile Range in New Mexico, carrying a ...

Solar flares are categorized based on their strength, with five designated categories: A, B, C, M and X. NASA Experts from Harvard University anticipate that the Sun will remain in Solar Cycle 25 ...

The sun is taking center stage with recent solar flare activity sparking modest space weather for June 13, with an added metaphorical selfie as NASA recently released the first-ever images of the ...

Two NASA satellites rocketed into orbit from California aboard a SpaceX Falcon 9 rocket Wednesday, commencing a $170 million ...