Sunspot AR3234 blasted an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: NASA/SDO/Helio Viewer | edited by Space.com's Steve Spaleta Mu ...

Former Senate Republican Leader Mitch McConnell announced Thursday that he would not seek reelection to the Senate after his ...

The supermassive black hole in the heart of the Milky Way Galaxy, Sagittarius A*, constantly emits flares like fireworks.

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MORE: This is when peak northern lights activity will occur These sunspots can produce solar flares and coronal mass ejections that manifest in a dazzling light show when they reach Earth.

The first CME was released during an M-class solar flare eruption on Jan. 21 and the second from a filament eruption on Jan. 22. If both CMEs land a blow their combined result could be minor (G1 ...

Solar flares are violent outbursts of electromagnetic radiation that shoot from the sun when invisible magnetic field lines at the sun's surface get twisted up until they eventually snap. These ...

On a hot and humid Florida night in late August 1859, the sky suddenly lit up. But it was not from fireflies or a fireswamp. Instead, it was the Northern Lights–or aurora borealis. The aurora is ...

Scientists believe they’ve found a potential way to predict solar flares. Using NASA’s Solar Dynamics Observatory, a team has identified early warning signs of solar flares. This could protect ...