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

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

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 ...

On April 10, 2024, the Asteroid Terrestrial-impact Last Alert System (ATLAS) detected first light from an explosion of a massive star with roughly 12 to 15 times the sun’s mass. Just 26 hours later, ...

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

"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 ...