NASA has detected a precursor or progenitor to a supernova for the first time – and it's all thanks to old photos.

Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...

One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't ...

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

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...

A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...

One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A study led by Gonzalo Muñoz-Sanchez at the National ...

The star, WOH G64, lies inside the Large Magellanic Cloud, about 163,000 light-years from Earth. It is enormous, roughly 1,540 times ...

Astronomers have witnessed one of our universe’s biggest stars transforming into a rare stellar body, and the dramatic metamorphosis may be the prequel ...

Astronomers say one of the universe’s largest stars has dramatically changed since 2014, possibly entering a rare final phase that could end in a spectacular supernova explosion.

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

Researchers used James Webb Telescope images to identify the star, which went supernova 40 million years ago ...