What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, ...

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

This article (originally published Aug. 13, 2025) has been updated to include new text and illustrations featured in the Jan.

WASHINGTON (Reuters) -Astronomers have observed the calamitous result of a star that picked the wrong dance partner. They have documented what appears to be a new type of supernova, as stellar ...

What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, mysterious ...

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

Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The ...

Caltech astronomer Mansi Kasliwal and her colleagues were not expecting to chase a mystery that blurred the line between a supernova and a kilonova. Yet that is where the evidence has led after an ...

Massive stars, those with initial masses exceeding eight times that of the Sun, undergo complex evolutionary processes that ultimately culminate in spectacular supernova explosions. During their ...