Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

NASA’s Hubble Space Telescope revisits the Crab Nebula, showing the movement of filaments and changes in gas composition over ...

WASHINGTON, March 11 (Reuters) - A supernova - the explosion marking the end of a massive star's life - is one of the ...

Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s illustration depicts silicon, argon and sulfur releasing from a massive star. - Adam Makarenko/W. M. Keck Observatory ...

Superluminous supernovas are the brightest stellar explosions in the universe. Astronomers may have found a mechanism that ...

Astronomers have discovered a strange new signal coming from an exploding star — a “chirp” that speeds up over time, similar ...

A cosmic mystery surrounding the universe's most dazzling explosions, superluminous supernovas, appears to have been solved ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A supernova called SN 2023ixf has appeared in the outskirts ...