Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

Data collected using multiple NSF NOIRLab facilities reveal a gamma-ray burst that lasted more than seven hours and ...

One such superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational ...

For more than a century, astronomers have known that some “new stars” flaring into view are not births at all but violent ...

The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers on a powerful explosion in space that lasted far longer than anything they ...

In a strange turn of events, a supernova birthed twin baby neutron stars that merged to make a powerful kilonova.