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New research led by Gonzalo Muñoz-Sanchez at the National Observatory of Athens, published in Nature Astronomy, finds that ...

When a star in the nearby galaxy NGC 2146 exploded in late 2024, it barely registered by supernova standards. The blast, ...

A Northwestern University-led team of astronomers used NASA’s James Webb Space Telescope to discover a former star that exploded millions of years ago. The star, which was in a nearby galaxy, exploded ...

Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and these signals offer new insights into how massive stars meet their demise.

When Japan’s Hitomi satellite trained its X-ray spectrometer on the Perseus Cluster in early 2016, it had just weeks to live.

A supernova is one of the most powerful events that can happen in the Universe - we are talking, after all, about a star exploding – and because of that, they have always been actively researched by ...

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 ...

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...

Researchers identified a "forbidden range" of black-hole masses more than 45 times the Sun's mass, where stellar-origin black holes are rare. The gap aligns with models in which such stars explode via ...