A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures.

Chandra X-ray Observatory observations of the Perseus galaxy cluster's black hole and M87's jet have been turned into sound ...

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

NASA’s Chandra telescope uses a new X-arithmetic method to compare X-ray energies and show how supermassive black holes shape galaxy clusters and galaxy groups, revealing differences in gas movement a ...

NASA's Chandra X-ray Observatory has revealed stunning cosmic structures within galaxy clusters, like bubbles and waves, formed by superheated gas and black hole activity. A new technique, ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

A high-altitude balloon telescope has revealed new patterns in X-rays emitted near the black hole Cygnus X-1. These signals ...

Albert Einstein and Carl Sagan both knew a lot about science. Sagan said, “We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything ...

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the chaotic, superheated material swirling ...

Subtle variations in the star’s brightness suggest it once collided and merged with another star, an explosive event that ...

Long before rockets and satellites reached space, the Crab Nebula stood out as a steady beacon of high-energy light. At its center sits a dense, rapidly spinning neutron star that turns every 33.