What Does A Solar Flare Sound Like?
NASA's Cassini spacecraft, approaching Saturn, was in perfect position to record the sound of a massive solar flare as it erupted in late October.

NASA Takes Giant Step Toward Finding Earth-Like Planets
Are we alone in the universe? Are there planets like Earth around other "suns" that might harbor life?

Take a thrill ride through 15 years of Hubble images, starting with Hubble’s first picture and ending with its anniversary image of the Whirlpool Galaxy. In less than three minutes, 800 Hubble images flash over the screen, sometimes as fast as 60 pictures per second.