A star exploding at the end of its life has rocked the cosmos like no other that humanity has ever seen. In 2021, astronomers watched in astonishment as a supernova 2.2 billion light-years away named ...

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.

Scientists have for the first time peered inside a dying star as it exploded in a supernova, gaining not just unprecedented views of its layers, but more so, insight into the process of stellar ...

Sixteen years ago, theoretical astrophysicists at UC Berkeley and elsewhere proposed that highly magnetized, spinning neutron stars — magnetars — were the power source behind some superluminous ...