The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

The final stage of a superkilonova. Astronomers may have discovered a never-before-seen cosmic explosion that effectively combines a supernova with a kilonova—the blast that results when two dead, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Caltech/K. Miller and R. Hurt (IPAC) Astronomers may have discovered the first example of ...

Few spectacles in space are as phenomenal as supernovae, but a "superkilonova" may give them a run for their money. This type of cosmic outburst is thought to arise when a supernova cascades into a ...

Scientists have precisely measured two unstable atomic nuclei that play a crucial role in explosive X-ray bursts on neutron stars. The results reveal faster nuclear reactions than previously thought, ...