explosions of stars, at least one type of stellar annihilation results in a “reverse shock wave” after its initial blast. In a new study, a team of astronomers using NASA’s Chandra X-ray Observatory, ...

Part of the shock wave is shrinking rather than expanding. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A powerful shock wave traveling ...

NASA released a new video that shows how a supernova morphs and moves over a period of 13 years. Cassiopeia A, or Cas A, as the debris field is known, was probably generated after a star's explosion ...

A new study reveals an odd peculiarity of a massive shock wave traveling through a cloud of gas left behind by the stormy death of a star. Research suggests that part of it is traveling in the wrong ...

This delicate, colorful bubble in space hides the remains of a supernova. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA telescopes have ...

In 1572, Danish astronomer Tycho Brahe noticed a bright new body that had appeared in the heavens. He called it a new star—stella nova—though it was actually the explosive end of a very old one—what ...

Although supernovae are energetic outward explosions of stars, at least one type of stellar annihilation results in a “reverse shock wave” after its initial blast. In a new study, a team of ...