Last Updated: Thursday, January 10, 2013, 12:55
Astronomers have revealed that a massive star, which they have watched repeatedly mimicking a supernova since 2009, has finally exploded for real.
Last Updated: Wednesday, January 09, 2013, 12:25
A large asteroid belt is said to have been discovered around the star Vega, the second brightest star in northern night skies.
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