Collapsed dead stars, known as neutron stars, are a trillion times denser than lead, and their surface features are largely ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

The observations revealed features never before seen in real time around a supermassive black hole. Among them was the launch ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." ...

In this artist’s concept, matter is stripped from a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding 1ES 1927+654’s supermassive black hole. Astronomers ...

Space debris laser ranging, and satellite laser ranging ... Using JWST, more than 40 individual stars have been detected in a distant galaxy, dating back to when the Universe was only half of ...