Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to ...

Thanks to the fortunate coincidence of good weather and two major auroral storms, lots of us went to bed late.

NASA's Solar Dynamics Observatory captured a massive 'tornado' on the sun in multiple wavelengths. Unlike the Earth, ...

ORLANDO, Fla. - Will Florida get more auroras this weekend? In short, maybe. The sun remains quite active, and its solar ...

VALLEY FALLS, Kansas (AP) — Charlie Riedel has been a staff photographer for The Associated Press based in Kansas City for 25 ...

A pair of NASA spacecraft ultimately destined for Mars will study how its magnetic environment is impacted by the Sun.

Wednesday night's sights of the aurora borealis are expected to be even stronger than Tuesday's (so long as the skies are ...

The aurora borealis was viewable across Wisconsin multiple nights this week — and not for the first time this year.

Arizona skywatchers were treated to a rare celestial show Tuesday as the northern lights shimmered across parts of the state.

The lingering effects of recent eruptions continue to swoosh through Earth’s magnetic field, presenting the opportunity for ...

Parts of Florida were treated to the aurora borealis this week. The show appears to be over, though — for now.