A red supergiant star has expelled the largest cloud of gas and dust ever seen in the process of being blown off one of these stellar behemoths. The vast size and intricacy of the cloud suggests that ...

The James Webb Space Telescope is weighing in on a longstanding debate over why we don’t see more of the most massive red supergiant stars go supernova. NASA/ESA/CSA/Northrop Grumman In recent years, ...

Astronomers from Chalmers University of Technology, Sweden, have discovered a huge expanding bubble of gas and dust surrounding a red supergiant star. It's the largest structure of its kind ever seen ...

An international team of astronomers has employed NASA's Chandra X-ray observatory to perform the most detailed study of a supergiant star known as Wd1-9, which yielded important insights into the ...

For decades, astronomers have been watching WOH G64, an enormous heavyweight star in the Large Magellanic Cloud, a galaxy visible with the naked eye from the Southern Hemisphere. This star is more ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Saturday evening's meeting of the crescent moon and distant ...

In recent years, whenever astronomers have gazed into the night sky, they’ve noticed something peculiar: Some of its massive stars—the true titans of the cosmos—appear to be missing. The largest of ...