Astronomers have discovered that the jet of a distant blazar has been gravitationally lensed by an unseen source of dark ...

A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to ...

A 2025 study by South Korean researchers caught the attention of the astronomy community when it suggested that the evidence ...

NASA has released a batch of images from the Chandra X-ray Observatory that they have dubbed "razzle-dazzle across space." ...

This composite image shows a quasar, a rare and extreme class of supermassive black hole, that's located about 3.4 billion light-years from Earth. | Credit: X-ray: NASA/CXC/Univ. of Nottingham/H.

There is a question that often comes up at every public talk I do, and I have never had a good answer to it—well, not an entirely confident one. What's inside a black hole? The textbook reply is a ...

Using XRISM, Japan's newest X-ray telescope, researchers measured turbulent gas driven by the supermassive black hole in quasar H1821+643 — and found its winds ...

I hear good things about this one from Emily H. Wilson, who has a review forthcoming. It’s set in a fascist and galaxy-spanning empire, where Katherine Fuller’s husband has died, leaving her an ...

Using the Chandra X-ray spacecraft, astronomers have seen a jet from a feeding supermassive black hole churning gas surrounding a galaxy nicknamed the "red potato." ...

A bound galaxy protocluster with hot, X-ray-emitting gas has been found just one billion years after the Big Bang.

Dark matter is thought to account for most of the matter in the Universe, yet its true nature remains one of modern physics’ greatest mysteries. Now, an international team led by researchers at the ...

Composite image of evidence for wind blowing away from Sagittarius A*, with the black hole shown as a white dot in the center, cold gas in orange and X-ray data in blue. NASA / CXC / Northwestern ...