Sunspot AR3842 erupted with an X2-class solar flare In Oct. The same sunspot blasted X9 and X7 flares in the last week.

Unpredictable solar activity is causing satellites to fall to Earth. Intense solar phenomena have contributed to the ...

when Richard Carrington documented a pivotal solar flare. Dubbed the Carrington Event, the flare challenged perceptions of ...

NASA Solar Dynamics Observatory captured a M7.9-class solar flare. See footage of the blast in multiple wavelengths. Credit: ...

This is a time when the sun puts out the most solar flares and has the most average sunspots on its surface in its ...

The sun’s magnetic activity causes auroras, and the relationship between solar flares and auroras reveals an 11-year cycle; ...

Solar flares are giant explosions that occur in a localized regions of the sun's atmosphere, typically originating from ...

Using data from their flight, scientists will observe how quickly the magnetic reconnection changes. The Sun emitted a strong ...

The Sun’s activity is what gives us beautiful auroras – but it also has dramatic negative effects on satellites that go ...

Looked over your shoulder recently? Biting the nails you’ve forgotten to clip? If you’re not anxious about work piling up or time passing by, you should be paranoid about the unprecedented weather.

WJAC provides news, weather and sports information for Johnstown, Altoona, State College and DuBois, Pennsylvania. Our ...

Are the Northern Lights dangerous? Solar storms in May and October saw intense displays of aurora borealis across the U.S.