A product of a bright supernova explosion, the Crab Nebula is located 6,500 light-years from Earth. A super-dense neutron star sits at its centre, radiating luminous energy. This composite image taken ...
NASA's Hubble Space Telescope have caught two clusters full of massive stars that may be in the early stages of merging. The clusters are 1,70,000 light-years away in the Large Magellanic Cloud, a ...