Around July 4, 1054, Chinese astronomers recorded a “guest star” that shone so brightly, it was visible in broad daylight for 23 days. The remnants of that long-ago supernova now form the Crab Nebula, ...

Astronomers from the University of California (UC), Berkeley and elsewhere have performed spectroscopic and photometric study of a peculiar supernova designated SN 2021ukt, which underwent a ...

A worldwide team led by UC Santa Barbara scientists at Las Cumbres Observatory has discovered the first convincing evidence for a new type of stellar explosion — an electron-capture supernova. While ...

Astronomers have caught a massive star, located around 500 million light-years from Earth, erupting in a cosmic explosion marking the end of its life. The Cartwheel galaxy, in which the astronomers ...

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 ...

Unprecedented observations of a nearby supernova in 2020 have given astronomers an extraordinarily detailed look at the explosion of a massive star, including images taken immediately before and after ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 4 years old. A 900-year-old cosmic ...

Scientists have discovered the first convincing evidence for a new type of stellar explosion -- an electron-capture supernova. While they have been theorized for 40 years, real-world examples have ...