Scientists have precisely measured two unstable atomic nuclei that play a crucial role in explosive X-ray bursts on neutron ...
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 ...
Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and the collisions of neutron stars, traveling across the galaxy before ...