Together, the observations and simulations show that dust grains alone cannot explain how winds escape from oxygen-rich red giant stars like R Doradus. At this late stage of stellar life, stars ...

Astronomers have identified a massive red giant star with a newly detected companion that appears to be stirring up trouble in the system, reshaping gas and dust in ways that could end in a dramatic ...

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, ...

These stars can make new elements, undergo pulsations on the timescale of days to years, and lose a lot of their mass—throwing off an Earth-mass equivalent of material over a four-year period—before ...

"Throwing a close companion into the mix could possibly wreak further havoc on the already complicated processes surrounding these stars." When you purchase through links on our site, we may earn an ...

A distant red giant star is rippling with seismic vibrations, and for the first time, a NASA spacecraft has translated those subtle pulses into a kind of cosmic song directed at a hidden black hole ...

Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing clues of a dramatic cosmic history. The star, which quietly orbits a ...