By Will Dunham WASHINGTON, Oct 16 (Reuters) - Astronomers for the first time have identified a green star, documenting a ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. T Coronae Borealis (T CrB) is a "recurrent nova," a binary system that consists of a white ...

What is a variable star? Astronomers know millions of them, and you might find one in any part of the sky. Among the stars in this image of the central region of the Milky Way galaxy, there are 2 ...

A newly discovered star could challenge some models of how stars evolve and the way they produce elements as they age. All the elements in the universe are formed within stars. As stars age, the ...

When a massive star explodes as a supernova at the end of its life, its core can collapse into a tiny and superdense object with not much more than our sun’s mass. These small, incredibly dense cores ...