Long and sparkly, the winter night sky is a spectacle — inviting us to wrap up, go outside and gaze up at planets, stars, airplanes, a sudden meteor and the parade of satellites. “Winter skies are ...

Far from our solar system, brief explosions of electric-blue light are flaring in distant galaxies, outshining entire star systems for a few days before fading back into darkness. These events are so ...

A new satellite has become one of the brightest objects in the night sky, sparking concerns among scientists for the future of astronomy. The bright paths of BlueWalker 3 and other new satellites may ...

A collection of 300 unusually bright objects in deep space may contain galaxies that formed in the early universe. These objects, captured in infrared images from the James Webb Space Telescope (JWST) ...