Solar Flare

Solar flare promises sky show

The largest solar flare in four years is driving interest in another celestial event: the Northern Lights.

45% chance 

Also: 

• Photos of solar flares
• Rare daytime fireball
• Lurking planet in doubt

Huge solar flare jams radio, satellite signals

The most powerful eruption in years stirs up trouble in China — and NASA warns it isn't done yet.

 'Class X' flash 

Also: 

• Effect on Northern Lights
• Quick glimpse of flare
• Giant lurking planet dispute

Aurora Borealis to light up sky

Astronomers have said the possibility of seeing the Northern Lights in Scotland has increased after the sun unleashed a giant solar flare.

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