Using ESA's XMM-Newton satellite and NASA's Chandra spacecraft, German astronomers have observed a supersoft X-ray source ...

The PRIMA space telescope would observe the cosmos in far-infrared light, while AXIS would be an orbiting X-ray detector.

See composites created using James Webb Space Telescope and Chandra X-ray Observatory imagery. A pair of galaxies, a nebula, ...

A new composite image of the Crab Nebula features X-rays from Chandra (blue and white), optical data from Hubble (purple), ...

New images show the rapidly rotating pulsar of the "Guitar Nebula" shooting out a gigantic cosmic plume of plasma, X-rays and ...