We explain this extraordinary phenomenon—and why solar flares and coronal mass ejections go together like spots on Dalmatians ...

Researchers studying sun-like stars and historical evidence from tree rings and glacial ice suggest that extreme solar events ...

The jet emerging from M87’s supermassive black hole is tens of millions of times larger than its event horizon. In 2019, the ...

If you were one of the lucky people in the Pacific Northwest this year, you might have caught the dazzling show of color in ...

The sun is far from quiet. Yesterday, Dec. 17, the sun fired out an 'extremely rare' farside coronal mass ejection (CME) — a ...