London, Jan. 22: The Earth could soon have a second Sun when one of the brightest stars in the night sky becomes a supernova.

The cosmic phenomenon, which may happen as soon as this year and remain f

Dec 9: Astronomers led by Indian American Nikku Madhusudhan have discovered a giant planet with an atmosphere and core dominated by carbon, raising the prospect that diamond-studded stars may exist.

For the first time, astronomers claim to have developed a new way to weigh the planets in our solar system — using radio signals from the highly magnetised small spinning stars known as pulsars. Obser