For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

From supermassive black holes to vast stellar nurseries, the distant reaches of space are full of many baffling wonders. Now, scientists have uncovered one of the most perplexing mysteries yet.

Through a phenomenon called gravitational lensing, three different moments in a far-off supernova explosion were captured in a single snapshot by NASA's Hubble Space Telescope. The light from the ...

"Thanks to the high resolution of our new images, we detected a faint structure on the northeast side of this supernova remnant that had not been observed before." The Hubble Space Telescope may have ...

The rare blast peeled back the inner layers of a dying star, offering clues to how the elements that make up life on Earth were forged. By Jonathan O’Callaghan Carl Sagan once said we are all made of ...