More recently, astronomers have proposed a theory for its volatile nature, which explains the star's seemingly erratic ...

The newly discovered "interstellar visitor" 3I/ATLAS can be seen shining like a rainbow-colored string of cosmic pearls in a trippy new timelapse image ... blue, red and green hues as it moves across ...

The giant star Betelgeuse has been observed for thousands of years and its fluctuations in brightness have long been ...