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For about three years now, scientists have been anticipating a nova explosion. Specifically, the explosion of the binary star ...

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 ...

A red giant star and white dwarf orbit each other in this animation by NASA and the Goddard Flight Center of a nova similar to T Coronae Borealis. The red giant is a large sphere in shades of red, ...