As the star's core collapsed down into a black ... ray explosion ever seen represented a new laboratory for the search for axions. According to a recent model of the extragalactic background ...

At around 9:15 p.m., the Contra Costa Health Services department removed a shelter-in-place for Martinez and other cities ...

Soon, however, the possibility emerged that the unusual explosion, designated EP240408A, could have been the result of a supermassive black hole ripping apart and consuming a star in what is known ...