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

Far beyond the Milky Way, in a nearby satellite galaxy, a giant star has been shifting in a way astronomers did not expect.

A Northwestern University-led team of astronomers used NASA’s James Webb Space Telescope to discover a former star that ...

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

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 ...

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 ...

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

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 ...

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

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

NASA’s James Webb Space Telescope captured the first published detection of a supernova progenitor in galaxy NGC 1637, revealing a red supergiant star before explosion.