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

NASA's Fermi Gamma-ray spacecraft has observed a super-bright, supercharged supernova explosion powered up by the creation of ...

What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, mysterious, and eerily quiet, despite their mass and influence. Stellar-mass ...

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

An international team of researchers has developed new stellar and supernova models to explain the mysterious elemental abundance patterns left by billions of supernova explosions around the Perseus ...

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

WASHINGTON — A supernova, the explosive death of a star, is always violent, blasting material into space while typically leaving behind a compact stellar remnant like a neutron star or black hole. But ...

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

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

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