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, ...

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 ...

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 ...

Zac Levine knew when he was 11 years old that he was a nightlife person. “My dad owned an ad agency in Seattle for the last thirty years, and when I was a kid I had the opportunity to go see the ...

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 ...

In August 1181, astronomers in China and Japan witnessed a bright “guest star” in the night sky that we now know to have been a supernova—one of just a handful of recorded supernovae in our Milky Way ...

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 ...