The Eastern Veil Nebula is part of a colossal supernova remnant known as the Cygnus Loop. Dutch astrophotographer Cornelis ...

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

A stunning new image of a supernova remnant combines data from four different telescopes to show a colorful, detailed picture of a busy region of space. The remnant 30 Doradus B (or 30 Dor B) was ...

When massive stars reach the end of their lives and explode in a supernova, they can leave behind huge structures in space called supernova remnants. These are often favorite targets of astronomers ...

Astronomers have recently made a groundbreaking discovery, revealing the surprising hidden geometry of a supernova. This ...

A new high-definition image from NASA’s James Webb Space Telescope’s NIRCam unveils intricate details of supernova remnant Cassiopeia A and shows the expanding shell of material slamming into the gas ...

In the year 1181, an extraordinarily bright supernova lit up the night sky like a firework for an incredible 185 consecutive days. Astronomers have since located its remnants within the constellation ...

Composite RGB image of G321.3–3.9 as seen in the eROSITA all-sky surveys eRASS:4 and the MWA radio image taken at 200 MHz. Credit: Mantovanini et al., 2024. Astronomers from Curtin University in ...

Composite images of the Cas A supernova remnant, a structure resulting from the explosion of a star in the Cassiopeia constellation. The blues represent data from the Chandra Observatory, the ...

Just in time for the holidays, NASA’s James Webb Space Telescope (JWST) recently used its Near-Infrared (NIRCam) instrument to capture stunning images of the massive supernova remnant, Cassiopeia A ...

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Cassiopeia A, or Cas A for short, is one of the most well studied supernova remnants in our galaxy. But it still holds major surprises. Harvard-Smithsonian and Dartmouth College astronomers have ...