Astronomers have witnessed a rare “extremely stripped supernova” that exposed the inner silicon layers of a dying star, confirming theories of stellar fusion and offering new insight into how ...

New X-ray data from NASA’s Chandra telescope reveals Cassiopeia A’s chaotic final hours, showing how dying stars collapse and ...

A supernova blast 2.2 billion light-years from Earth has given astronomers a deeper view into a star's centre than ever ...

A giant explosion that lit up the sky didn't just rock the cosmos – it absolutely rattled our understanding of the Universe's ...

Researchers observed a supernova in progress that showed the onion-like structure of elements in stars, and the explosion may belong to a class of its own ...

Astronomers have observed the calamitous result of a star that picked the wrong dance partner. They have documented what ...

Scientists have discovered a gamma ray explosion outside our galaxy that's not only exceptionally powerful, but also ...