The supernova, named ASASSN-15lh, was 20 times brighter at its peak than the combined light of the Milky Way galaxy’s 100 billion stars, ... it becomes more transparent.” ...

Supernova Is 570 Billion Times Brighter Than the Sun, ... as a supernova wanes, it becomes more transparent, allowing scientists to peer into its inner layers. Meanwhile, ...

Astronomers uncover the first direct evidence for how some white dwarf stars explode, confirming the long-debated ...

Scientists have finally identified the progeny of that supernova ... "In the infrared, this dust is much more transparent," said University College London astronomer and study co-author Mike Barlow.

The supernova was challenging every known theory about the end of a star’s life that astronomers have. Over two years, the brightness of iPTF14hls varied over time in such a way that it seemed ...

It’s the star that won’t die, even though it has exploded and appeared to go down in a blaze of glory multiple times. This superlong supernova may be the first of its kind. When they first ...

An unusual star system created more of a fizz and less of a bang when it exploded in a supernova. The “ultra-stripped” supernova led researchers to discover the two stars 11,000 light-years ...

This new supernova has appeared in a galaxy — a star city — beyond our own. The galaxy is known as the Pinwheel Galaxy, (also designated as Messier 101, or M101) and is a large, loosely wound ...

A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst.