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

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

Young, Sun-like stars blast their surrounding planets with far less X-ray radiation than scientists have assumed for over a ...

Using data from the Chandra X-ray Observatory, an ‘X-arithmetic’ technique 'sorts features in galaxy clusters and groups into ...

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

An attosecond (10⁻¹⁸ seconds) corresponds to the natural timescale of electron motion in matter. In 2023, the Nobel Prize in ...