Sent by: Cassini | From: Saturn | Sent: July, 2008 | Credit: NASA/JPL/SSI | Image source
A natural-color view showing a row of tempests in the 35-degree south region of Saturn, which is constantly astir with storms.

Sent by: Mars Express | From: Mars | Credit: ESA/DLR/FU Berlin (G. Neukum) | Image source
The Mars Express orbiter gives us this lovely, natural-color portrait of Tithonium Chasma, part of the Valles Marineris canyon system. Some of these chasms are up to 5.5 kilometers deep.

Sent by: Mars Reconnaissance Orbiter | From: Mars | Credit: NASA/JPL/JHUAPL/UA | Image source
Three views showing the edge of the north polar ice cap of Mars, all courtesy of the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM), which flies on board the Mars Reconnaissance Orbiter. CRISM can tell what minerals are on the ground by [...]

Sent by: Cassini | From: Saturn | Sent: August 26, 2008 | Credit: NASA/JPL/SSI | Image source
A close-up, taken yesterday, showing one corner of the famous Saturnian polar hexagon, which can now be partially seen in the sunlight. The soup of storms seen all through the image includes individual maelstroms hundreds of miles across.

Sent by: MER-B | From: Mars | Sent: Aug 20, 2008 | Credit: NASA/JPL/Cornell | Image source
Opportunity has nearly reached the rim of Victoria Crater, which it is leaving after years of exploration in and around the impact site. At the beginning of the mission, rover handlers never imagined they’d even reach as far as [...]