According to their analysis, the changes included a temperature increase, a reduction in size to around 800 solar radii, and ...

Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have for the first time identified the progenitor of a nearby supernova -- a red supergiant star cloaked in thick, dust-rich shrouds that ...

Astronomers have been watching the supergiant WOH G64 for decades – and it might have turned into a hypergiant and be heading ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept shows the red supergiant star Betelgeuse and an orbiting companion star creating a wake in the larger object ...

The star, named WOH G64, is 1500 times larger than the Sun.

DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.

Imagine an object so colossal that, if it occupied the place of our Sun, its surface would extend beyond the orbit of Saturn. Imagine a star that challenges not only the known physical limits, but ...

An international team of astronomers led by a researcher at Keele University has solved a long-standing cosmic mystery surrounding one of the most extreme stars ever observed. The star, known as WOH ...

This enormous star, about 1,500 times the width of the Sun and up to 282,000 times brighter, is one of the largest ever observed. It lies approximately 163,000 light-years from Earth, in a neighboring ...

(CNN) — Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant star Betelgeuse. Now, they’ve uncovered a new piece of evidence: a trail like the ...