Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest. Shorter, faint flares and longer, bright flares ...

Russian astronomers have carried out spectroscopic and photometric observations of a cataclysmic variable designated Gaia ...

Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) and by analyzing archival Arecibo Observatory data, ...