A Type II supernova has been documented for the first time. This space achievement is a big deal since it can help astronauts and other experts to understand dying stars better. This NASA image shows ...
In an unprecedented event, there are THREE active supernovae simultaneously seen exploding in a galaxy right now! While two supernovae seen at the same time in the same galaxy has happened before, to ...
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. SN Eos, the earliest Type ...
It’s easy to forget that stars, just like us, have lifetimes. They’re born, they live, and eventually, they die. And for some stars, their death is dramatic, producing an explosion so powerful it can ...
An international team of astronomers has conducted photometric and spectroscopic observations of a recently discovered ...
The visible universe is a big place. Like, really, really big — some 93 billion lightyears across (via Futurism). To put that in perspective, that's like running 25 billion back-to-back marathons, and ...
Hosted on MSN

What Is a Supernova?

Every so often, a mysterious so-called "guest star" appears in the sky, often far outstripping its cousins in brightness. Astronomers and stargazers have known about such events since at least 185 AD ...