Astronomers using the James Webb Space Telescope have confirmed one of the most distant supernova candidates ever studied, revealing the death of a massive star from a time when the universe was only ...

A strange "chirping" signal from a distant supernova has revealed the birth of a magnetar, confirming that these incredibly magnetic neutron stars can power the universe's brightest stellar explosions ...

Astronomers have spotted a powerful burst of gamma rays and light from the explosion of a giant star that took place when the universe was just 800 to 900 million years old. It is the most distant ...

An international team of astronomers has performed follow-up observations of a peculiar Type Ia supernova designated SN 2023vjh. Results of the observational campaign, published July 9 on the preprint ...