Columbia Professor Brian Metzger helped other astronomers interpret their observations of the unexpected stellar event.

A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...

PTF14hls is a star that refuses to follow the rules. Discovered in September 2014, it was supposed to be a typical supernova ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

A Northwestern University-led team of astronomers has captured the most detailed glimpse yet of a doomed star before it exploded. Using NASA's James Webb Space Telescope (JWST), the international team ...

An exploding star may have sent cosmic shrapnel flying to hit Earth 10 million years ago, and astronomers have now narrowed down the most likely culprits behind this interstellar incident. Earlier ...

"The speed at which this doomed stellar system is lurching wildly, likely due to the extreme brightness, is a frantic sign of its imminent, violent end." When you purchase through links on our site, ...

"It's the reddest, dustiest red supergiant that we've seen explode as a supernova." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For decades, ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...