The Chandra X-ray Observatory is the world's most powerful X-ray telescope. It has eight-times greater resolution and is able to detect sources more than 20-times fainter than any previous X-ray telescope.
The "coming of age" of galaxies and black holes has been pinpointed thanks to new data from Chandra.
NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole.
The most crowded collision of galaxy clusters has been identified by three different telescopes.