Three years of supernova explosions become beautiful music

This video is a musical record of over three years worth of Type Ia supernova bursts, which are caused when white dwarf stars explode. University of Victoria astronomer Alex Parker and UC Santa Barbara's Melissa Graham assigned each blast an instrument and musical note depending on its properties. The result is the… » 5/26/11 5:00pm 5/26/11 5:00pm

Volcanoes in Alaska Are "Hopping," Says Scientist

Witness the glory of one of the two massive volcanoes erupting today in Alaska. Here you can see a satellite's-eye-view of the plumes from Okmok Caldera, floating out between the clouds over the coast. Though Okmok has been erupting for several days, it was joined recently by Mount Cleveland, off the coast in the… » 7/23/08 4:17pm 7/23/08 4:17pm