A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...
An important breakthrough in how we can understand dead star collisions and the expansion of the Universe has been made by an international team, led by the University of East Anglia. They have ...
Astronomers have spotted a distant star that seems to have exploded twice. The blast may be the first-ever known “superkilonova” — a chimera of a supernova and a neutron star merger, researchers ...