May 29, 2018
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows the permanent polar cap of Mars, encircled by sand dunes and looking like pulled threads. These dunes march across a fabric of patterned ground.
This image from NASA's Mars Reconnaissance Orbiter shows Hale Crater, a large impact crater (more than 100 kilometers) with a suite of interesting ...
May 29, 2018
This image from NASA's Mars Reconnaissance Orbiter shows Hale Crater, a large impact crater (more than 100 kilometers) with a suite of interesting features such as active gullies, active recurring slope lineae, and extensive icy ejecta flows.
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows sand dunes on the slopes of Nectaris Montes within Coprates Chasma.
May 21, 2018
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows sand dunes on the slopes of Nectaris Montes within Coprates Chasma.
This image from NASA's Mars Reconnaissance Orbiter shows two new craters on Mars with the same distinctive pattern of relatively blue ejecta surrou...
May 14, 2018
This image from NASA's Mars Reconnaissance Orbiter shows two new craters on Mars with the same distinctive pattern of relatively blue ejecta surrounded by a dark blast zone and arcing patterns. This pattern indicates an oblique impact angle with a...
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows two small impact craters located in Meridiani Planum on Mars. Small boulders on the ...
May 14, 2018
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows two small impact craters located in Meridiani Planum on Mars. Small boulders on the floor and walls of the left-side crater.
May 14, 2018
This image from NASA's Mars Reconnaissance Orbiter shows barchan sand dunes, common on Mars often forming vast dune fields within very large (tens to hundreds of km) impact basins. The regions upwind of barchans are usually devoid of sandy bedforms.
This color image from NASA's Mars Reconnaissance Orbiter (MRO) shows bedrock layers of diverse colors and composition.
May 10, 2018
This color image from NASA's Mars Reconnaissance Orbiter (MRO) shows bedrock layers of diverse colors and composition.
This enhanced color image from NASA's Mars Reconnaissance Orbiter (MRO) shows the heavily channeled and ancient southern highlands of Mars. The elo...
April 30, 2018
This enhanced color image from NASA's Mars Reconnaissance Orbiter (MRO) shows the heavily channeled and ancient southern highlands of Mars. The elongated and jagged features are windblown dunes, perhaps hardened and eroded.
NASA's Opportunity rover has spent 13 years exploring a small region of Meridiani Planum which has a rather ordinary appearance as seen by NASA's M...
April 30, 2018
NASA's Opportunity rover has spent 13 years exploring a small region of Meridiani Planum which has a rather ordinary appearance as seen by NASA's Mars Reconnaissance Orbiter.
This enhanced color image from NASA's Mars Reconnaissance Orbiter shows eroded bedrock on the floor of a large ancient crater.
April 30, 2018
This enhanced color image from NASA's Mars Reconnaissance Orbiter shows eroded bedrock on the floor of a large ancient crater.
NASA's Mars Reconnaissance Orbiter shows bright ripples line the topography in this region, formed within a past climate. Dark dunes and sand strea...
April 02, 2018
NASA's Mars Reconnaissance Orbiter shows bright ripples line the topography in this region, formed within a past climate. Dark dunes and sand streaks, composed of basaltic sand, have moved and filled lower areas, pushed by more recent winds.
This image from NASA's Mars Reconnaissance Orbiter shows a roundish crater with three channels breaching the rim and extending to the south. The cr...
April 02, 2018
This image from NASA's Mars Reconnaissance Orbiter shows a roundish crater with three channels breaching the rim and extending to the south. The crater has been filled by sediments and may have been an ancient lake.
This image from NASA's Mars Reconnaissance Orbiter is a close-up of a trough, along with channels draining into the depression. On the floor of the...
April 02, 2018
This image from NASA's Mars Reconnaissance Orbiter is a close-up of a trough, along with channels draining into the depression. On the floor of the trough is some grooved material typically seen in middle latitude regions where there has been glac...
Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years. In this image from NASA's...
April 02, 2018
Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years. In this image from NASA's Mars Reconnaissance Orbiter frost in and around two gullies are seen.
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows the western wall of a small pit that is located along the floor of a larger trough i...
March 06, 2018
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows the western wall of a small pit that is located along the floor of a larger trough in Coprates Catena. Dark layers line the bottom; light-toned layers are near the top.
