Neutron stars are ultra-dense remnants of massive stars that collapsed after supernova explosions and are made up mostly of ...

The cosmos has delivered a rare kind of fireworks display, and astronomers are racing to understand what it means. A strange double flash from a distant galaxy appears to show two neutron stars ...

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 ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

After detecting a strange combination of signals in the summer of 2025, astronomers believe they may have captured the first evidence of a unique phenomenon previously theorized, but never observed: a ...

Superkilonovalisticexpealidocious: This artist's concept shows a hypothesized event known as a superkilonova. A massive star explodes in a supernova (left), which ...

This artist's concepts shows a hypothesized event known as a superkilonova. A massive star explodes in a supernova (left), which generates elements like carbon and iron. In the aftermath, two neutron ...