A vast, glowing halo enveloping a galaxy cluster has been discovered, defying expectations and pointing to turbulent cosmic ...

Astronomers have discovered incredibly powerful X-ray jets originating from two supermassive black holes that are so ancient ...

Astronomers have found a remarkably powerful jet shooting out from a black hole that formed just 3 billion years after the ...

Chandra spotted a 300,000-light-year jet from a distant quasar. But amid this breakthrough, the telescope now faces defunding, threatening the future of U.S. X-ray astronomy.