Watch sunspot region 4114 erupt with its most powerful solar flare yet. The X1.9 class flare triggered radio blackouts across the Pacific Ocean.

There's a giant solar tornado raging on the sun's surface, and a researcher captured it — plus a massive plasma eruption — in one spectacular image.

Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our Sun much quicker than if they had to wait for the celestial show on Earth. The plan, part of ...