Emily Mason, a heliophysicist at San Diego-based research firm Predictive Science, and her colleagues observed coronal loops ...

Science The active regions of the Sun are the site of powerful radiation emissions, called flares, which are among the most energetic phenomena in our solar system. A subcategory stands out because ...

The sun ended the weekend with a bang as a sunspot rotating out of our view erupted with a powerful solar flare on Sunday afternoon. At 2:27 p.m. EST (1927 GMT) on Sunday, (Feb. 24), a X2.0 solar ...

The strong “X2.0-class” flare erupted from the Sun at about 7.30 pm GMT from a sunspot rotating out of view from the Earth, the agency said. Solar flares are ranked on a four-class scale ...

The northern lights may be visible along a stretch of northern states Tuesday night, and a recent solar flare could heavily disrupt radio frequencies this week, according to a National Oceanic and ...