The brightest burst of gamma rays ever recorded was caused by the collapse and explosion of a massive star—a supernova. That’s according to a paper published last week in Nature Astronomy that used ...

When a massive star dies, it goes out with a bang, creating a stunningly bright explosion that can temporarily change the look of the night sky. The brightest and closest may be visible with the naked ...

a spiral galaxy with a bright point of light at the end of one of its arms A new supernova recently discovered in the Pinwheel Galaxy continues to put on a show for astronomers. The supernova, called ...

An international team analyzed data from NASA's Fermi space telescope and detected gamma rays from a rare and exceptionally ...

Artist's conception of a magnetar surrounded by an accretion disk exhibiting Lense-Thirring precession, in this handout image released on March 11, 2026. Joseph Farah and Curtis McCully/Handout via ...

Until now NGC 5584 was just one galaxy among many others, located to the West of the Virgo Cluster. Known only as a number in galaxy surveys, its sheer beauty is now revealed in all its glory in a new ...