A new method could improve cosmology research by analyzing supernovae together with the galaxies that host them.

A star system in our own galactic neighborhood is poised to put on a show so bright it could briefly rival the planets and even shine in daytime skies. Astronomers are watching for a sudden eruption ...

The Blaze Star's previous known explosion is said to have taken place 80 years ago in 1946.

NASA’s Roman Telescope could finally expose the Milky Way’s hidden population of invisible neutron stars. Astronomers believe ...

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 ...