Astronomers have announced the discovery of a truly monstrous structure consisting of a ring of galaxies around 5 billion light-years across -- and it defies cosmological theory.
Three supernovae have been found erupting alone in the depths of 'intracluster' space -- a cosmic first.
GK Persei is the site of a powerful stellar explosion over 100 years ago that continues to shape surrounding space to this day.
A ravaged star, having survived its partner's supernova explosion, is being flung out of the Milky Way at record speeds.
Researchers using the Hubble space telescope took advantage of a naturally occurring zoom lens in space to capture an unprecedented quadruple image of an ancient supernova.
The supernova remnant is located over 150,000 light-years away in the satellite dwarf galaxy known as the Large Magellanic Cloud.
A new three dimensional model of the Cassiopeia A supernova remnant provides insights into how these massive explosions occur.
One of the least likely places you might think astronomers would learn about ancient supernovae is at the bottom of the ocean but scientists have done just that -- also dredging up a mystery. Continue reading →
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