Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and ...
A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star ...
Artistic impression of a neutron star collision leaving behind a rapidly expanding cloud of radioactive material. Credit: NASA Goddard Space Flight Center, CI Lab Artistic impression of a neutron star ...