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Ten thousand years ago, a star exploded. Now scientists are getting their best look ever at the details of that explosion, Cassiopeia A. Space-age tools and methods are allowing them to glimpse ...

Images of stars released to the public, like the new image of Cassiopeia A revealed last month, fire the public’s imagination and kindle wonder in the breadth and beauty of the universe. But those ...

Few star patterns have a shape so easy to remember: a neat "M" or "W" depending upon on its position and which way you're facing. When you purchase through links on our site, we may earn an affiliate ...

Researchers announced the latest findings from the James Webb Space Telescope (JWST) of the supernova remnant, Cassiopeia A (Cas A). These observations of the youngest known core collapse supernova in ...

A stunning new image from the James Webb Space Telescope shows a famous supernova remnant called Cassiopeia A, or Cas A. When a massive star comes to the end of its life and explodes in a huge ...

Whether you're trying to impress someone or are tired of only being able to see the Big and Little Dippers when contemplating the night sky, knowing how to find a constellation is a good thing.

At around 7 P.M. JST on the evening of March 18, Japanese amateur astronomer Yuji Nakamura spotted something strange: A new point of light in the familiar constellation Cassiopeia the Queen.

The Heart Nebula (IC 1805), a magnitude 6.5 emission nebula in Cassiopeia, is observable with larger telescopes, exhibiting features enhanced by nebula filters; associated objects include NGC 896 and ...