Most cosmic disasters are incredibly unlikely to ever affect Earth—but solar flares are different. These massive eruptions from the Sun happen regularly, and a powerful enough event could cripple ...

Close-up observations of the Sun explain how solar flares start, grow, and send high-energy particles racing through space.

A solar flare captured by NASA’s Solar Dynamics Observatory at 8:12 p.m. EDT Oct. 1, 2015. Credit: NASA/SDO While many studies have compared the magnetic properties of confined and eruptive solar ...

A recent CU Boulder study suggests that confined flares are more efficient at heating plasma and producing ionizing radiation than comparable eruptive flares While many studies have compared the ...