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

A novel astronomical event, termed a "superkilonova," is proposed to explain the coincident detection of gravitational waves (S250818k), indicating a subsolar-mass neutron star merger, and an ...

It’s easy to forget that stars, just like us, have lifetimes. They’re born, they live, and eventually, they die. And for some stars, their death is dramatic, producing an explosion so powerful it can ...

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 ...