The James Webb Space Telescope (JWST) has been studying the scene of a dramatic collision between a star and its planet, but ...

Starquakes in stars from cluster M67 reveal hidden pauses that mark major internal changes. These pauses improve how we estimate star ages.

The stars expand and can engulf nearby planets, effectively incinerating them. In approximately five billion years, Earth’s own sun will turn into a red giant and engulf planets, including our ...

Vibrations echoing through giant stars are offering unexpected insights into their internal structures and evolutionary paths ...

However you pronounce it, its unexpected dimming draws even more attention to this red ... giant." It's one of the largest stars visible to the unaided eye with a radius about 1,000 times the sun.

The red giant, roughly 1.12 times the mass of our Sun, orbits the white dwarf every 227 days. The two stars are separated by only 0.54 astronomical units, about the same as the distance from the ...

At this stage, the star becomes a large red giant ... a billion years–compared with the ten billion the same star may already have spent burning hydrogen like our own sun.

Stargazers watched the skies with bated breath on Thursday night in hopes that T Coronae Borealis, a system consisting of a hot, red giant star and a ... will fly by the sun The last recorded ...

T CrB is a symbiotic binary, a vampire system in which a white dwarf is siphoning material from a red giant star. A white dwarf is the dense, compact core remnant of a once sun-like star ...