Astronomers continue to stress the value of X-ray science as NASA's flagship Chandra X-ray telescope remains on the chopping ...

Scientists breathed a collective sigh of relief last week when NASA announced that the Chandra X-ray Observatory had been ...

This low-mass supermassive black hole, spotted with NASA’s James Webb Space Telescope and the Chandra X-ray Observatory, ...

Data from Chandra X-ray telescope and James Webb Space Telescopes have revealed a black hole from 470 million years after the ...

There are monstrous objects at the heart of every large galaxy — black holes that are millions or even billions of times more ...

This illustration shows a red, early-universe dwarf galaxy that hosts a rapidly feeding black hole at its center. Using data ...

Astronomers revisited decades-old data from NASA’s Chandra X-ray Observatory, discovering bright, clumped “knots” in an ...

A team of U.S. astronomers discovered a supermassive black hole that is consuming matter at a phenomenal rate—40x the ...

Several members of Congress are seeking more details about the operation of NASA’s Chandra X-ray Observatory amid proposals for steep budget cuts.

Supermassive black holes exist at the center of most galaxies, and modern telescopes continue to observe them at surprisingly ...

Astronomers have scoured decades-old data from NASA's Chandra X-ray Observatory ... the science value being delivered by the X-ray telescope, which turned 25 years old in July.