If a star has a mass of more than 0.08 solar masses (one solar mass is equivalent to the mass of our sun), nuclear reactions begin, and nuclear reactions cement the body's status as a star.

For the first time, astronomers have imaged a star located outside the Milky Way galaxy. The subject, WOH G64, is a red supergiant situated roughly 160,000 light-years away in the Large Magellanic ...

Astronomers have captured the first close-up image of a star beyond our galaxy, taken during a dramatic moment near the end of the star’s life. In it, the “behemoth” star appears to puff out ...