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

The ‘guest star’ of 185 AD has been one of astronomy's most unresolved cases for over 1800 years. Ancient Chinese chroniclers ...

PALO ALTO -- The space world is buzzing about the most powerful explosion in the universe. A supernova has burst onto the scene in a galaxy quite literally far, far away, and an amateur astronomer on ...

Nearly a millennium ago, scientists observed a magnificent new star blazing in the sky, a supernova so intense that it could ...

No bright supernovae have exploded in the Milky Way Galaxy since the invention of the telescope in 1610. However, at least five supernovae that must have occurred within our galaxy were recorded in ...