Old Farmer's Almanac forecasters expect weather to be warm. Every 11 years, the sun's magnetic field flips, swapping the north and south poles. That affects activity on the sun's surface, like ...

Sunspots are dark spots on the skin that appear after you experience too much ultraviolet (UV) light exposure. Also called age spots, liver spots, or solar lentigines, sunspots are a type of ...

Solar material is gusting out of the dark patch in the Sun's corona towards Earth at more than a million miles per hour.

33,530 people played the daily Crossword recently. Can you solve it faster than others?33,530 people played the daily Crossword recently. Can you solve it faster than others?

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

As sunspots emerge on the sun's surface close to its equator, their orientations will match the old magnetic field, while ...

Satellites have managed to detect faint electromagnetic signals generated by ocean tides, suggesting that space-born sensors ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

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.

High solar activity levels have historically been linked to warmer temperatures, on average, across Earth, according to the ...

The sun is at the peak of its 11-year cycle. That means an uptick in solar flares will lead to more chances to see the northern lights over the next couple of years.