Was a powerful cosmic explosion seen by the Einstein Probe launched by a supermassive black hole snacking on a star, by a ...

"Most of the external layers of a massive star are removed during the supernova, but some material falls back, making the neutron star spin faster." ...

Some media reports and popular accounts on social media have claimed that Israel detonated a low-yield tactical nuclear ...

For years, astronomers have been puzzled by the presence of two gigantic, high-energy “bubbles” towering over and beneath the Milky Way’s center, extending 50,000 light-years into space. First ...