The supernova was the death of a red supergiant star 500 times larger than the sun, in a galaxy just 22 million light-years ...

This rapid reaction required astronomers to use a technique called spectropolarimetry to gather information about the ...

Recently, the Hubble Space Telescope captured a before-and-after image of a star exploding brightly. With the images one year apart, the contrast shows how bright a supernova is, and how that ...

What can an exploding star in a distant galaxy teach scientists about red supergiants? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of ...

A new discovery about what happens when a supernova – an exploding star – and a black hole collide could change the way scientists understand the lives and deaths of stars. The finding was the first ...

Chris Ashall, an assistant astronomer at the UH Mānoa Institute for Astronomy, was part of the global team that zeroed in on the stellar explosion known as SN 2024ggi. The supernova was first spotted ...

Interstellar comet 3I/ATLAS is 'exploding' with activity. See dramatic new images of its growing ion tail and learn how NASA ...