A distant supernova, SN 2025mkn, became visible from nine billion light years away after a galaxy’s gravity bent and brightened its light, helping scientists study it in detail.

NASA's Imaging X-ray Polarimetry Explorer reveals the expansion and shock patterns within RCW 86, a supernova observed by ...

A before and after of the Pinwheel Galaxy, courtesy of observer and Unistellar College Astronomy Network member, Scott Kardel. July 11, 2023, Mountain View, CA - In an unprecedented achievement, ...

A Northwestern University-led team of astronomers used NASA’s James Webb Space Telescope to discover a former star that exploded millions of years ago. The star, which was in a nearby galaxy, exploded ...

Astronomers from the Chinese Academy of Sciences (CAS) have employed the Lijiang 2.4-m telescope to perform optical ...

For years, computer simulations of the earliest galaxies have struggled to match what telescopes actually show. Depending on ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it pinpointed a single star in a galaxy when the universe was only about 730 ...

The big picture: NASA's James Webb Space Telescope recently managed to capture imagery of the oldest and farthest known supernova explosion – an event that occurred when the universe was just 730 ...

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Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...