Our favorite photos from this year's Geminid meteor shower

Last night marked the peak of this year's gorgeous Geminid meteor shower, perhaps the most stunning celestial lightshow of 2012. Photographs of last night's fireballs are still rolling in and stargazers can expect to spot intermittent meteors during predawn hours for the next few days, but here are ten of our… » 12/14/12 12:45pm 12/14/12 12:45pm

A rare view of the aurora borealis, shot from a field in...Arkansas?

A massive burst of solar wind made contact with Earth's magnetic field Monday evening, giving rise to some uncharacteristically bright northern lights that were visible even at some of Earth's not-so-northern latitudes. » 10/26/11 6:30am 10/26/11 6:30am