In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely ...

An illustration of a young solar system immersed in high-energy cosmic rays from a nearby supernova. Unlike considering only direct injection of supernova ejecta, this process naturally explains key ...

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A green "Grinch-like" shape in a supernova remnant imaged by the James Webb telescope may have come from a blast debris field, scientists proposed When you purchase through links on our site, we may ...

Cambridge, MA – Since Galileo first pointed a telescope at the sky 400 years ago, a myriad of technological advances have allowed astronomers to look at very faint objects, very distant objects, and ...

A curiously yellow star has caused astrophysicists to reevaluate the possible pathways that can lead to the explosion of a massive star as a supernova. An international team including UC Santa Cruz ...

Astronomers witnessed a supernova in progress, observing jets of material moving at relativistic speeds: up to half the speed of light. Scientist Megan Argo wanted to explain this exciting discovery ...

It's typical for us to see a dead star every night. It is common knowledge that not all stars above are "alive" since others have already exploded unknowingly. With the help of NASA's Hubble Space ...