A supernova is one of the most powerful and mysterious phenomena in the universe. It’s an event that occurs when a star ...

When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up ...

I was exploding with excitement to ask my friend Guy Worthey about supernovas. He’s an astronomer at Washington State University. He told me a supernova is a very energetic explosion in space. There ...

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A burst of light in the deep sky is doing something it should not be able to do. It looks like one supernova, but it shows up ...

An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.

"The supernova was named 'supernova Hope' since it gives astronomers hope to better understand the universe’s changing expansion rate." When you purchase through links on our site, we may earn an ...

An artist's impression of cosmic rays impacting molecules and atoms in the Earths atmosphere. A new study suggests that cosmic radiation from a supernova explosion 2.5 million years ago may have ...