This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

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

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

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

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...

NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," that may be acting as a black hole "delivery system." Credit: NASA ...

This is a combined Hubble Space Telescope/Chandra X-Ray Observatory image of a distant galaxy that is host to the telltale signature of a roaming supermassive black hole. Both telescopes caught a ...

Messier 84 (Image: NASA)) The most distant black hole ever detected in X-rays, imaged by NASA’s Chandra and Webb space telescopes, with X-ray emission indicating growth.

Nearly 1.7 million observations. Thirty-five years – and counting. In celebration of the Hubble Space Telescope’s April 24 launch anniversary, we’re sharing new images from the famous ...

Located 2.5 billion light-years away, 3C 273 is the first quasar (quasi-stellar object) ever discovered, in 1963. NGC 4438: A monstrous black hole lurks at the centre of the nearby galaxy NGC 4438.

A black hole jet from the Centaurus A galaxy is "hitting something along its path," that is baffling astronomers. The Chandra X-ray Telescop team takes you on a tour of the system.