The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in the Cassiopeia constellation. Credit: Space.com | footage courtesy ...

Abstract: We present observations of the supernova remnant Cassiopeia A made over 13 yr at 151 MHz with the Cambridge Low-Frequency Synthesis Telescope. These observations have been used to study the ...

NASA’s Chandra X-ray Observatory released 25 new images. Since Chandra’s launch on July 23, 1999 it discovers exotic new phenomena and examines old mysteries of our universe.

Supernova remnants J0624-6948 and J0614-7251 detected Discovery suggests unexpected ionised gas distribution Findings could reshape understanding of galaxy evolution ...

JWST took three separate exposures of the Cassiopeia A supernova remnant, showing how the constituent gas and dust changed over time. Note, the bottom two images are rotated slightly compared to ...

causing a strong shock wave and forming an interstellar object called a supernova remnant," wrote an international team of scientists in a paper outlining the discovery. "Supernovas are important ...

Water may have formed less than 200 million years after the Big Bang, suggesting some conditions for life existed far earlier than previously thought.