NASA’s Chandra X-ray Observatory released 25 new images. Since Chandra’s launch on July 23, 1999 it discovers exotic new phenomena and examines old mysteries of our universe.

"Have you ever flipped through old photo albums and suddenly found something fascinating hidden in the background of a ...

A blast of X-rays was seen coming from within the Large Magellanic Cloud (LMC), a galaxy that orbits the Milky Way.

The "needle in the haystack" discovery of a powerful explosion from a mysterious unknown object outside our galaxy has ...

The Smithsonian Astrophysical Observatory is pleased to present a collection of 9 models that were created using images generated by the Chandra X-ray Observatory. The launch of this collection ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

The "needle in the haystack" discovery of a powerful explosion from a mysterious unknown object outside our galaxy has excited astronomers. It went unnoticed for years within a vast, two decade-long ...

Criss-crossing streams of superheated gas create a "chaotic landscape" in a distant galaxy cluster. NASA's Chandra X-ray telescope detected two new streams of gas trailing behind a galaxy within a ...

NASA frequently shares cosmic images, revealing intriguing details about star-forming regions, black holes, galaxies and ...

Pulsars are the remnants of large stars that exploded in a supernova. Check out these 7 stunning pulsar images shared by NASA.

Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic ...

Scientists have unlocked the 3D structure of molecular clouds in the Milky Way’s center, using a groundbreaking X-ray ...