Red supergiants are a class of star that end their lives in supernova explosions. Their lifecycles are not fully understood, partly due to difficulties in measuring their temperatures. For the first ...

160,000 light-years away, a star 2,000 times the size of the Sun is dying. Now, that star has been imaged as never before—extremely up-close—revealing details of the star’s activity and surrounding ...

The James Webb Space Telescope has uncovered a massive red supergiant star just before it exploded, finally solving a cosmic mystery. Hidden beneath layers of dust, the doomed star revealed itself ...

A giant bubble of gas and dust surrounds the red supergiant DFK 52, likely created in a powerful outburst 4,000 years ago. Astronomers are baffled at how the star survived without going supernova, and ...

"It's the reddest, dustiest red supergiant that we've seen explode as a supernova." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For decades, ...