A star system in our own galactic neighborhood is poised to put on a show so bright it could briefly rival the planets and ...

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented detail. The breakthrough provides direct evidence that these explosions are ...

Betelgeuse is a massive, unstable, aging star that will one day explode as a spectacular supernova, bright enough to ...