While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...

Here are some of the most beautiful pictures of the nebula, which were taken with the help of NASA's James Webb telescope.

Betelgeuse is the star that everybody can't wait to see blow up, preferably sooner rather than later. That's because it's a ...

n a rare astronomical prediction, scientists say a supernova seen once through a telescope will reappear in the night sky for ...

Harvard expert Avi Loeb claims the 3I/ATLAS comet's path is 'suspiciously' precise, sparking alien theories. NASA reveals the ...

Astronomers have discovered a remarkable new cosmic object using the Hubble Space Telescope: a cloud of dark matter and gas ...

A hidden companion star confirmed around Betelgeuse Gas wake detected using Hubble Telescope data Discovery explains ...

SN Ares might be the most exciting one. The star exploded when the universe was about one-third of its current age.