Deep-Space Photos: Hubble's Greatest Hits

Dark Matter and Dark Energy
The collection of photos taken by the Hubble includes some of the most detailed photographs ever taken of the things in our universe. In the 20 years since its launch, the Hubble has made close to 100 million images, confirming the existence of black holes, exoplanets, supernovae, nebulae, proplyds, and more recently, the existence of dark matter and energy.

• A Brief History of the Hubble Space Telescope
• Eathrise: Iconic Images of Earth from Space