The emission of X-rays is usually the domain of the energetic events of the universe: hot stars, supermassive black holes, ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its composition.

XRISM's Xtend telescope captured the first X-ray image of interstellar comet 3I/ATLAS, revealing a faint X-ray glow and spectral components, suggesting charge-exchange interactions.

Newly released images from NASA's Chandra X-ray telescope take viewers on a road trip through the universe, offering spectacular sights of various cosmic attractions. When you purchase through links ...

An inset image by XRISM’s Xtend instrument, showing a supernova remnant in the Large Magellanic Cloud. Image: Inset, JAXA/NASA/XRISM Xtend; background, C. Smith, S. Points, the MCELS Team and ...

While NASA's James Webb Telescope and other instruments have already spotted abundant water vapor, carbon monoxide and carbon ...

Astronomers have mapped out half the universe in X-ray light, using a space telescope called eROSITA. The new map, which contains almost a million X-ray sources, is the basis of dozens of new ...