An overview of the Chandra mission and goals, Chandra's namesake, top 10 facts.
Classroom activities, printable materials, interactive games & more.
Overview of X-ray Astronomy and X-ray sources: black holes to galaxy clusters.
All Chandra images released to the public listed by date & by category
Current Chandra press releases, status reports, interviews & biographies.
A collection of multimedia, illustrations & animations, a glossary, FAQ & more.
A collection of illustrations, animations and video.
Chandra discoveries in an audio/video format.

Press Releases by Category
Cosmology/Deep Fields/X-ray Background :: The sky as observed in X-rays is not dark, but gives off a glow thought to be from many distant sources. Deep surveys with the Chandra X-ray Observatory should reveal the cause of this glow.

Image Date Title Org.
--2009--
Galaxies Coming of Age in Cosmic Blobs 24 Jun 09 Galaxies Coming of Age in Cosmic Blobs CXC 
Ghost Remains After Black Hole Eruption 28 May 09 Ghost Remains After Black Hole Eruption CXC 
--2007--
GOODS Missing Black Hole Report: Hundreds Found! 25 Oct 07 GOODS Missing Black Hole Report: Hundreds Found! JPL 
New Panorama Reveals More Than a Thousand Black Holes 12 Mar 07 New Panorama Reveals More Than a Thousand Black Holes CXC 
--2006--
Chandra Independently Determines Hubble Constant 08 Aug 06 Chandra Independently Determines Hubble Constant CXC 
--2005--
Era of Galaxy and Black Hole Growth Spurt Discovered 06 Apr 05 Era of Galaxy and Black Hole Growth Spurt Discovered NASA 
NASA Observatory Confirms Black Hole Limits 15 Feb 05 NASA Observatory Confirms Black Hole Limits NASA 
--2004--
Spitzer Space Telescope Leads NASA's Great Observatories to Uncover Black Holes and Other Hidden Objects in the Distant Universe 01 Jun 04 Spitzer Space Telescope Leads NASA's Great Observatories to Uncover Black Holes and Other Hidden Objects in the Distant Universe STScI 
--2003--
The Secret Lives Of Galaxies Unveiled In Deep Survey 19 Jun 03 The Secret Lives Of Galaxies Unveiled In Deep Survey NASA 
Chandra Sees Shape of Universe During Formative, Adolescent Years 25 Mar 03 Chandra Sees Shape of Universe During Formative, Adolescent Years GSFC 
--2002--
Chandra Discovers 31 Jul 02 Chandra Discovers "Rivers Of Gravity" That Define Cosmic Landscape NASA 
--2001--
Deepest X-Rays Ever Reveal universe Teeming With Black Holes 13 Mar 01 Deepest X-Rays Ever Reveal universe Teeming With Black Holes NASA 
--2000--
Chandra Survey of Distant Galaxies Provides Evidence for Vigorous Starbursts 17 May 00 Chandra Survey of Distant Galaxies Provides Evidence for Vigorous Starbursts CXC 
Chandra Resolves Cosmic X-ray Glow and Finds Mysterious New Sources 13 Jan 00 Chandra Resolves Cosmic X-ray Glow and Finds Mysterious New Sources CXC