The mystery of galaxies in the early Universe just got even weirder. A team of astronomers has identified a giant spiral galaxy so well-formed that it already has a stable galactic bar; a long, ...

NASA, using the Chandra X-Ray Observatory and radio telescopes, discovered supermassive black holes in distant galaxies ...

Data from the Chandra X-ray Telescope has revealed spider pulsars, which are a group of dead stars, in globular cluster Omega Centauri "preying' on nearby stars. The Chandra team explains. Credit: ...