Neutrinos play a key role in our current models of supernovae, and right now, those models don’t take into account one of neutrinos’ most striking features: their ability to change identity. We’ve ...

Add Yahoo as a preferred source to see more of our stories on Google. A star exploding at the end of its life has rocked the cosmos like no other that humanity has ever seen. In 2021, astronomers ...

The ‘guest star’ of 185 AD has been one of astronomy's most unresolved cases for over 1800 years. Ancient Chinese chroniclers recorded a mysterious light that lasted eight months, but an examination ...

In November 1572, a brilliant new star appeared in the constellation Cassiopeia, shining so brightly that it was visible during the day. Danish astronomer Tycho Brahe carefully documented this ...

Add Yahoo as a preferred source to see more of our stories on Google. A small, bright blue central dot erupts with rays of brilliant pink and yellow-green, with shining stars dispersed within as well ...

In November of 1572, Tycho Brahe noticed a new star in the constellation Cassiopeia. It was the first supernova to be observed in detail by Western astronomers and became known as Tycho’s Supernova.

(CNN) - NASA released a new image of the youngest supernova remnant in our galaxy, called Cassiopeia A, or Cas A. It was taken by the James Webb Space Telescope. This is the closest and most detailed ...

Betelgeuse, the bright reddish star marking the shoulder of the constellation Orion, is one of the closest stars to Earth that could plausibly explode as a supernova within a human lifetime, at least ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Astronomers have taken a fresh look at an old ...