A flash of high-energy light from deep space has forced astronomers to rethink what they thought they knew about the most violent explosions in the universe. The event, a strange gamma-ray burst that ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

Euclid uses a method called 'step-and-stare to scan the night sky, which allows it to combine a bunch of separate ...

Keck Observatory reports that spectroscopy from its Keck Cosmic Web Imager, combined with data from NASA’s James Webb and ...