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March 8, 2012 The huge solar storm that NASA detected hurtling toward Earth hit our planet at 5:42 a.m. ET Thursday. So far, there have been no reports of major power or communications disruptions. But it's not the last you'll hear about solar storms; the sun's activity won't peak until 2013.

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March 7, 2012 The sun ejected two huge solar flares Tuesday, and NASA says that we here on Earth will likely be affected somewhat by the magnetic fields and ionized gas that are now shooting toward the planet. But the phenomena might also bring aurora light shows to residents of the northern United States

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January 24, 2012 The most powerful solar storm to blast the Earth since 2005 reminds us that our modern society, with its dependance on electronics in the sky and on the ground, is vulnerable to a type of weather we rarely think about: space weather.

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October 3, 2011 When a comet hit the sun over the weekend, an impressive eruption followed. Scientists had thought comets weren't large enough to produce such a reaction. Some are rethinking that.

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