The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar ...

Average stars like our sun die ignominiously. They swell to enormous size, cool from yellow to red hot, and shed most of ...

The rare cosmic event, which only occurs with exceptionally large stars between 60 to 150 times the mass of the sun, has been predicted in theory but never seen before ... said the shell collisions ...