Kilonova: artist’s impression of merging neutron stars. (Courtesy: University of Warwick/Mark Garlick) The first spectroscopic evidence that heavy elements are created by the merger of two neutron ...

Two years ago astronomers for the first time observed the collision of two neutron stars, which created gravitational waves and light and created heavy elements such as gold, platinum and lead. These ...

Two neutron stars smashed together and shook the universe, triggering an epic explosion called a "kilonova" that spit lots of ultradense, ultrahot material into space. Now, astronomers have reported ...