The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

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

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

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 ...

Using NASA’s Chandra X-ray Observatory, a team of astronomers has discovered lumps of particles within a black hole jet in ...

Here’s how it works. Astronomers have scoured decades-old data from NASA's Chandra X-ray Observatory, finding bright, lumpy ...

A recent cosmic discovery reveals a black hole tearing apart one star and hurling its remains at another. This event links ...

Scientists have found the "hungriest" black hole that is "feasting" on matter faster than experts previously thought possible ...

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

As we gaze into the universe, we've discovered most galaxies have a supermassive black hole lurking near the center.

Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.