View Down ‘Hidden Valley’ Ramp at ‘Bonanza King’ on Mars

The pale rocks in the foreground of this fisheye image from NASA's Curiosity Mars rover include…

Craters within the Hellas Basin

Scarring the southern highlands of Mars is one of the Solar System’s largest impact basins: Hellas,…

Soyuz is in the launch zone for its August 21 mission to loft the first two Galileo FOC satellites

Arianespace's medium-lift workhorse is "standing tall" in French Guiana – and ready for its Galileo payload…

Soyuz is in the launch zone for its August 21 mission to loft the first two Galileo FOC satellites

Arianespace's medium-lift workhorse is "standing tall" in French Guiana – and ready for its Galileo payload…

Soyuz is in the launch zone for its August 21 mission to loft the first two Galileo FOC satellites

Arianespace's medium-lift workhorse is "standing tall" in French Guiana – and ready for its Galileo payload…

Soyuz is in the launch zone for its August 21 mission to loft the first two Galileo FOC satellites

Arianespace's medium-lift workhorse is "standing tall" in French Guiana – and ready for its Galileo payload…

Comet on 16 August 2014 – NavCam

Rosetta navigation camera image taken on 16 August 2014 at about 93.5 km from comet 67P/Churyumov-Gerasimenko.…

Comet on 15 August 2014 – NavCam

Rosetta navigation camera image taken on 15 August 2014 at about 91 km from comet 67P/Churyumov-Gerasimenko.…

General Hyten takes control of AFSPC

General John E. Hyten accepted command of Air Force Space Command Aug 15, 2014.

General John E. Hyten accepted command of Air Force Space Command Aug 15, 2014.Download Full Image