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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun has once again unleashed a powerful solar flare, continuing its streak of intense ...

Saturday night’s northern lights display follows “strong” radio blackouts on Friday, an event that NOAA said briefly ...

Even if the specific monthly peak of the cycle has passed, it doesn't mean solar activity is over. Strong solar activity ...

Some U.S. states could be treated with a northern lights display due a minor geomagnetic storm on the sun, according to space ...

Using ALMA, astronomers discovered that Proxima Centauri produces frequent, high-energy millimeter-wavelength flares that ...

A powerful X1.1-class solar flare causes radio blackouts across the Americas. It was followed by a coronal mass ejection.

As the spring equinox approaches, northern lights hunters will scour the skies for breathtaking displays of color.

Solar flares are bursts of radiation from the sun’s surface, sometimes followed by a bubble of magnetized plasma particles called a coronal mass ejection (CME). If they happen to spray out in ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA / SDO and the AIA, EVE, and HMI science teams, helioviewer.org The sun has once ...