A red supergiant star appears to have changed in just a few years – an astronomical blink of an eye – which suggests it may ...

An international team of astronomers has investigated a newly detected Type II supernova designated SN 2024jlf. The new study ...

The supernova is visible in the image: Located just down and to the right of the galactic nucleus, the pale blue dot of SN 2024PI ... it balloons into a red giant, becoming cool, puffy and luminous.

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

Blue and red low-dispersion gratings (BL and RL ... nebula's age and ejection time are consistent with the historical supernova event in 1181. This result reinforces the assumption that the ...

The final arrival of the light from “Supernova Requiem” could even help astronomers calculate the Universe’s expansion rate. Once in a “Blue Moon?” Try twice! There are two kinds of ...

Astronomers still can’t entirely account for the explosive power of a supernova ... visible-light colors in this picture. Orange and red flows on the top and left of the image show spots ...

More massive stars than the Sun have a very different life cycle and follow the right hand path in the diagram above: \({Nebula}\rightarrow{protostar}\rightarrow{main~sequence~star}\rightarrow{red ...