A massive star in the Andromeda Galaxy, one of the most luminous objects in its neighborhood, has quietly disappeared. Over ...

Astronomers have witnessed the birth of a rapidly spinning, highly magnetized neutron star or "magnetar" for the first time. The observation of this event, triggered by the death of a massive star, ...

A rare supernova appeared five times in the sky, giving scientists a new way to measure how fast the universe is expanding ...

LSU researchers helped uncover what may be the first clear detection of gamma rays from a superluminous supernova, using data ...

A study published May 13 in Physical Review Letters has confirmed that radioactive iron forged inside an exploding star has ...

Earth is quietly collecting radioactive debris from an ancient stellar explosion as our Solar System drifts through a giant ...

For nearly a decade, scientists have been trying to understand a set of strange blue flashes coming from deep space. These ...

Scientists have uncovered rare traces of a radioactive iron isotope buried deep inside Antarctic ice, offering new evidence ...

Learn how traces of a rare radioactive element preserved in Antarctic ice may show that the Solar System is currently passing ...

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Neutron stars are the densely compact cores remaining as one possible result of a supernova. These star remnants are ...