Strange new class of ultra-bright supernova discovered

A new class of supernova has been discovered, with six examples of it seen so far. Powered by a mysterious source, they're brighter and longer-lived than the novae we know now. » 6/09/11 8:30am 6/09/11 8:30am

Massive eruption on the sun yesterday means a solar storm zooming by…

This picture was taken by a NASA solar observatory yesterday, and it shows one of the biggest explosions we've ever seen on the sun. For perspective, look at the upper left corner. There's a little circle the size of Earth. » 6/08/11 1:25pm 6/08/11 1:25pm