Stars that vanish from the sky may be collapsing directly into black holes without going supernova first, a new study of a bizarre binary star system suggests.

Astronomers have documented around 800 cases of stars mysteriously vanishing over the past 70 years. New research from the University of Copenhagen suggests these stars might be collapsing ...

A star that mysteriously disappeared might be the first confirmed case of a failed supernova, a star that tried to explode but couldn’t finish the job. A newborn black hole appears to have been ...

New research indicates that matter ejected during the supernova death of a star can fall back to neutrons stars, giving rise to mysterious "low-field magnetars." ...

The star is a white dwarf — the shriveled husk of a sun-like star that burned off most of its fuel before collapsing. For stars with cores made mostly of metallic oxygen and carbon, the cooling ...

Stealing gas from their siblings could leave stars with a motley crew of planets – including ones with backwards orbits. Our solar system is thought to have formed from a collapsing cloud of gas ...

The stars' collision certainly didn't occur that night—instead, it occurred 5.47 billion years ago, and its light had just reached Earth, according to a press release.