Supernovae, categorized as Type I (low hydrogen) and Type II (high hydrogen), produce varying abundances of heavy elements. Type Ia supernovae, resulting from thermal runaway in white dwarfs, are rich ...

Astronomers have their eyes on a new ultrabright explosion in space: a Type II supernova in the Pinwheel Galaxy (also known as M101). A Type II supernova is the catastrophic end to a massive star's ...

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 ...

A tale of two supernovae - The beginning of winter is a great time to be taking up astronomy, with long dark nights and a ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. In 2006, astronomers witnessed a supernova that defied conventional ...

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 ...

Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A study detailing the ...

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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. This article is more than 4 years old. The Carina Nebula, with Eta ...

New observations of a recently exploded star are confirming supercomputer model predictions made at Caltech that the deaths of stellar giants are lopsided affairs in which debris and the stars’ cores ...