Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant ...

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

The Chandra X-ray Observatory marked its 25th anniversary with a release of never-before-seen images. But budget cuts may cause the observatory’s days to be numbered.

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

The Chandra X-ray Observatory sits inside the cargo bay of the space shuttle Columbia before launch. Credit: NASA The current budget shortfall is not the first threat to its existence Chandra has ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

New observations from NASA's Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: Two galaxy clusters have collided and are now poised to head back for another swipe ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

Chandra X-ray Observatory The Smithsonian Astrophysical Observatory is pleased to present a collection of 9 models that were created using images generated by the Chandra X-ray Observatory. The launch ...

The supernova that resulted in the creation of SNR 0509-67.5 occurred nearly 400 years ago for Earth viewers. X-ray: NASA/CXC/SAO/J.Hughes et al, Optical: NASA/ESA/Hubble Heritage Team (STScI/AURA ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...