A supernova remnant is supposed to be a rough neighborhood for a newborn star. Shock waves rip through space at thousands of ...

"Why are we here?" is humanity's most fundamental and persistent question. Tracing the origins of the elements is a direct attempt to answer this at its deepest level. We know many elements are ...

XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...

NASA scientists may have found the “ghost” of an exploded star near the Milky Way’s black hole. The ancient supernova remnant could be still expanding after 1,700 years.

Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and these signals offer new insights into how massive stars meet their demise.

Two stars that once lived together in the Jellyfish Nebula may have also died together.

Add Yahoo as a preferred source to see more of our stories on Google. Millions of years ago two massive stars circled each other in a cosmic dance. Then one of the stars went supernova. The blast ...

Some of the most spectacular images ever captured by the Hubble Space Telescope reveal the violent remains of exploding stars. These supernova remnants include glowing clouds of gas, rapidly expanding ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...