Astronomers have discovered a rare quadruple star system with two red dwarfs and two brown dwarfs orbiting together.

For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical ...

Imagine waking up one morning to find our Sun replaced by a cosmic powerhouse far stranger than anything we have seen. From ...

Two of the objects in the arrangement are cold brown dwarfs, which will serve as a benchmark for others throughout the Milky ...

Red supergiants are a class of star that end their lives in supernova explosions. Their lifecycles are not fully understood, partly due to difficulties in measuring their temperatures. For the ...

Scientists have devised a new method for mapping the spottiness of distant stars by using observations from NASA missions of ...