Astronomers - with the help of NASA`s, high-energy X-ray observatory,NuSTAR - have finally unravelled one of the biggest mysteries in astronomy, of how stars blow up in supernova explosions.
NASA is set to launch its Nuclear Spectroscopic Telescope Array, NuSTAR.
NASA has postponed the launch of a new X-ray telescope to allow more time to check an issue with the rocket that will boost it into orbit.
Day in Pics: 22nd September
Showbiz World - September 22, 2014
iPhone6 fever grips the world