When Japan’s Hitomi satellite trained its X-ray spectrometer on the Perseus Cluster in early 2016, it had just weeks to live.

Using NASA's Chandra X-ray space telescope, astronomers have performed high-resolution X-ray spectroscopic observations of a ...

Scientists in Japan have developed a high-resolution X-ray telescope sharp enough to distinguish an object just 3.5 mm wide ...

Using data from the Chandra X-ray Observatory, an ‘X-arithmetic’ technique 'sorts features in galaxy clusters and groups into three types and then applies a color to each,' according to NASA. Credit: ...

Astronomers have finally identified the source of unusual X-rays from the bright star gamma-Cas, resolving a decades-long ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...

Artist’s impression of the powerful winds blowing from the bright X-ray source GX13+1. The X-rays are coming from a disc of hot matter, known as an accretion disc, that is gradually spiralling down to ...

A doctor orders an X-ray for a patient with a knee ache. The bones look fine, and the most likely prognosis is arthritis, ...

This diagnostic service is now available to residents seeking a higher standard of accuracy for their home’s most expensive ...