Stars can turn into black holes without a supernova While it's a little disconcerting to realize that some stars might vanish without any drama, this finding might just solve a number of cosmic mysteries.
Construction starts on the world's largest optical telescope The ELT's full capabilities won't come until sometime after 2024, when the ESO starts a second construction phase.
MI5 probes bomber “warnings” in Manchester attack aftermath Seven children were among the 22 people who died when Abedi detonated a bomb at the end of a concert by US singer Ariana Grande at Manchester Arena.
Iraq Mosul assault: Civilians “in grave danger” - UN Many people in the city are already facing severe shortages of water and electricity. Iraqi forces say they have recaptured several villages from IS militants.