A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

This popped up on my feeds. Over the last three years, a star went from fairly bright red to nothing. The analysis of the data suggests it was a direct collapse (no supernova) of a 13 solar mass star.

Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

Add Yahoo as a preferred source to see more of our stories on Google. This long exposure picture taken on December 23, 2017 shows the Andromeda galaxy -- where researchers believe they have witnessed ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Keith Miller, ...

You're not prepared for its size. The post Evidence Grows That One of the Largest Known Stars Is Poised to Explode in a ...

"This is essentially as close as we can get to seeing the death of a massive star." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

A red supergiant star transitions into a type II supernova in this animation. Credit: W. M. Keck Observatory/Adam Makarenko | mash mix by Space.com's Steve Spaleta Donald Trump suffers several major ...