The X-Ray Imaging and Spectroscopy Mission (XRISM), a joint mission between the Japanese Aerospace Exploration Agency (JAXA) ...

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

New XRISM X-ray observations reveal details of gas near a supermassive black hole in galaxy MCG–6-30-15, helping scientists better measure black hole spin and behavior ...

Data from the Chandra X-ray Telescope has revealed spider pulsars, which are a group of dead stars, in globular cluster Omega ...

This artist’s concept depicts a smaller white dwarf star pulling material from a larger star, right, into an accretion disk.