Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

Scientists at the Paul Scherrer Institute PSI have, for the first time, demonstrated a technique that synchronizes ultrashort ...

A spinning black hole just revealed its inner chaos, XRISM’s image goes deeper than any X-ray telescope before it.

Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise ...

Abstract: The study of the X-ray arrival spectrum of high-altitude nuclear detonation (HAND) shows that analytical methods offer advantages over Monte Carlo methods in terms of computation speed and ...